Workload based order acceptance in job shop environments. - Mark J. R. Ebben; Erwin W. Hans; F. M. Olde Weghuis (OR Spectr., 2005)

Operations Research for hospital process optimization. - Erwin W. Hans (CTW, 2007)

Operating Room Manager Game. - Erwin W. Hans; Tim Nieberg (INFORMS Trans. Educ., 2007)

A Norm Utilisation for Scarce Hospital Resources: Evidence from Operating Rooms in a Dutch University Hospital. - Mark van Houdenhoven; Erwin W. Hans; Jan Klein 002; Gerhard Wullink; Geert Kazemier (J. Medical Syst., 2007)

Closing Emergency Operating Rooms Improves Efficiency. - Gerhard Wullink; Mark van Houdenhoven; Erwin W. Hans; Jeroen M. van Oostrum; Marieke van der Lans; Geert Kazemier (J. Medical Syst., 2007)

Robust surgery loading. - Erwin W. Hans; Gerhard Wullink; Mark van Houdenhoven; Geert Kazemier (Eur. J. Oper. Res., 2008)

A master surgical scheduling approach for cyclic scheduling in operating room departments. - Jeroen M. van Oostrum; Mark van Houdenhoven; Johann L. Hurink; Erwin W. Hans; Gerhard Wullink; Geert Kazemier (OR Spectr., 2008)

Suitability and managerial implications of a Master Surgical Scheduling approach. - Jeroen M. van Oostrum; Eelco Bredenhoff; Erwin W. Hans (Ann. Oper. Res., 2010)

Fuzzy tactical project planning: Application to helicopter maintenance. - Malek Masmoudi; Erwin W. Hans; Alain Haït (ETFA, 2011)

Optimizing departure times in vehicle routes. - A. L. Kok; Erwin W. Hans; J. M. J. Schutten (Eur. J. Oper. Res., 2011)

An exact approach for relating recovering surgical patient workload to the master surgical schedule. - Peter T. Vanberkel; Richard J. Boucherie; Erwin W. Hans; Johann L. Hurink; Wineke A. M. van Lent; Wim H. van Harten (J. Oper. Res. Soc., 2011)

Health care logistics and space: accounting for the physical build environment. - Richard J. Boucherie; Erwin W. Hans; Timo Hartmann (WSC, 2012)

Vehicle routing under time-dependent travel times: The impact of congestion avoidance. - A. L. Kok; Erwin W. Hans; J. M. J. Schutten (Comput. Oper. Res., 2012)

Health care operations management. - Michael W. Carter; Erwin W. Hans; Rainer Kolisch (OR Spectr., 2012)

Analytical models to determine room requirements in outpatient clinics. - Peter J. H. Hulshof; Peter T. Vanberkel; Richard J. Boucherie; Erwin W. Hans; Mark van Houdenhoven; Jan-Kees C. W. van Ommeren (OR Spectr., 2012)

Efficiency evaluation for pooling resources in health care. - Peter T. Vanberkel; Richard J. Boucherie; Erwin W. Hans; Johann L. Hurink; Nelly Litvak (OR Spectr., 2012)

Anticipatory routing of police helicopters. - Rick van Urk; Martijn R. K. Mes; Erwin W. Hans (Expert Syst. Appl., 2013)

Simulation framework to analyze operating room release mechanisms. - Rimmert van der Kooij; Martijn R. K. Mes; Erwin W. Hans (WSC, 2014)

Optimizing the strategic patient mix combining queueing theory and dynamic programming. - Peter T. Vanberkel; Richard J. Boucherie; Erwin W. Hans; Johann L. Hurink (Comput. Oper. Res., 2014)

Erratum to "Optimizing the strategic patient mix combining queueing theory and dynamic programing" [Comput. Operat. Res. 43 (2013) 271-279]. - Peter T. Vanberkel; Richard J. Boucherie; Erwin W. Hans; Johann L. Hurink (Comput. Oper. Res., 2014)

Master surgery scheduling with consideration of multiple downstream units. - Andreas Fügener; Erwin W. Hans; Rainer Kolisch; Nikky Kortbeek; Peter T. Vanberkel (Eur. J. Oper. Res., 2014)

Reducing the number of required beds by rearranging the OR-schedule. - J. Theresia van Essen; Joël M. Bosch; Erwin W. Hans; Mark van Houdenhoven; Johann L. Hurink (OR Spectr., 2014)

Designing cyclic appointment schedules for outpatient clinics with scheduled and unscheduled patient arrivals. - Nikky Kortbeek; Maartje E. Zonderland; Aleida Braaksma; Ingrid M. H. Vliegen; Richard J. Boucherie; Nelly Litvak; Erwin W. Hans (Perform. Evaluation, 2014)

New heuristics for planning operating rooms. - Jose M. Molina-Pariente; Erwin W. Hans; Jose M. Framiñan; Tomás Gómez-Cía (Comput. Ind. Eng., 2015)

Improving the design and operation of an integrated emergency post via simulation. - N. J. Borgman; Martijn R. K. Mes; Ingrid M. H. Vliegen; Erwin W. Hans (J. Simulation, 2015)

Shift rostering using decomposition: assign weekend shifts first. - Egbert van der Veen; Erwin W. Hans; Gerhard F. Post; Bart Veltman (J. Sched., 2015)

Operations research for resource planning and -use in radiotherapy: a literature review. - Bruno Vieira; Erwin W. Hans; Corine van Vliet-Vroegindeweij; Jeroen van de Kamer; Wim H. van Harten (BMC Medical Informatics Decis. Mak., 2016)

A mathematical programming model for optimizing the staff allocation in radiotherapy under uncertain demand. - Bruno Vieira; Derya Demirtas; Jeroen van de Kamer; Erwin W. Hans; Wim H. van Harten (Eur. J. Oper. Res., 2018)

Case mix classification and a benchmark set for surgery scheduling. - Gréanne Leeftink; Erwin W. Hans (J. Sched., 2018)

Practices in timetabling in higher education institutions: a systematic review. - R. A. Oude Vrielink; E. A. Jansen; Erwin W. Hans; Jos van Hillegersberg (Ann. Oper. Res., 2019)

Improving workflow control in radiotherapy using discrete-event simulation. - Bruno Vieira; Derya Demirtas; Jeroen van de Kamer; Erwin W. Hans; Wim H. van Harten (BMC Medical Informatics Decis. Mak., 2019)

Scheduling surgery groups considering multiple downstream resources. - A. J. Thomas Schneider; J. Theresia van Essen; Mijke Carlier; Erwin W. Hans (Eur. J. Oper. Res., 2020)

Optimising the booking horizon in healthcare clinics considering no-shows and cancellations. - Gréanne Leeftink; Gabriela Martinez; Erwin W. Hans; Mustafa Y. Sir; Kalyan S. Pasupathy (Int. J. Prod. Res., 2022)

Distributionally robust scheduling of stochastic knapsack arrivals. - Hayo Bos; Richard J. Boucherie; Erwin W. Hans; Gréanne Leeftink (Comput. Oper. Res., 2024)

Fifty years of operational research applied to healthcare. - Jeroen Beliën; Sally C. Brailsford; Erik Demeulemeester; Derya Demirtas; Erwin W. Hans; Paul R. Harper (Eur. J. Oper. Res., 2025)