An Algorithm for Converting Signed Digrapls to Forrester Schematics. - James R. Burns; Onur M. Ülgen; Harvey W. Beights (IEEE Trans. Syst. Man Cybern., 1979)

Simulation modeling in an object-oriented environment using Smalltalk-80. - Onur M. Ülgen; Timothy Thomasma (WSC, 1986)

Modeling of a manufacturing cell using a graphical simulation system based on Smalltalk-80. - Timothy Thomasma; Onur M. Ülgen (WSC, 1987)

Hierarchical, modular simulation modeling in icon-based simulation program generators for manufacturing. - Timothy Thomasma; Onur M. Ülgen (WSC, 1988)

On modeling local area networks. - Louis Y. Tsui; Onur M. Ülgen (WSC, 1988)

Object oriented toolkits for simulation program generators. - Onur M. Ülgen; Timothy Thomasma; Youyi Mao (WSC, 1989)

Using simulation in design of a cellular assembly plant with automatic guided vehicles. - Onur M. Ülgen; Pankaj Kedia (WSC, 1990)

Reusable models: making your models more user-friendly. - Onur M. Ülgen; Norm Otto; Timothy Thomasma (WSC, 1991)

A forum on crucial issues in the simulation of manufacturing systems. - Averill M. Law; John S. Carson II; Jerry G. Fox; Stephen K. Halladin; Kenneth J. Musselman; Onur M. Ülgen (WSC, 1993)

A visual programming system for defining behavior in simulation models of manufacturing systems. - Timothy Thomasma; Youyi Mao; Onur M. Ülgen (Ann. Oper. Res., 1994)

Research to Application Success Stories: Manufacturing (Panel). - David P. Sly; Sanjay S. Upendram; Onur M. Ülgen; Jim Dooley; Jason Duff (WSC, 1997)

Increasing the power and value of manufacturing simulation via collaboration with other analytical tools: a panel discussion. - Onur M. Ülgen; John E. Shore; Gene Coffman; David P. Sly; Matthew W. Rohrer; Demet C. Wood (WSC, 1999)

Manufacturing modeling methods: an approach and interface for building generic manufacturing kanban-systems models. - Edward J. Williams; Onur M. Ülgen; Chris DeWitt (WSC, 2002)

Future of the simulation industry, panel: the future of the simulation industry. - Jerry Banks; Joseph Hugan; Peter Lendermann; Charles R. McLean; Ernest H. Page; Claude Dennis Pegden; Onur M. Ülgen; James R. Wilson (WSC, 2003)

Applying Specialized Simulators for Kanban and Flow Optimization (KanbanSIM) and Powertrain Manufacturing (PTMSim). - Samarn Chantaravarapan; Onur M. Ülgen (WSC, 2004)

Production Modeling Corp. - Onur M. Ülgen (WSC, 2005)

Material handling resource utilization simulation study for stamping plant. - Edward J. Williams; Onur M. Ülgen; Sheldon Bailiff; Ravindra Lote (WSC, 2006)

Simulation improves end-of-line sortation and material handling pickup scheduling at appliance manufacturer. - Neelesh Kale; Marcelo Zottolo; Onur M. Ülgen; Edward J. Williams (WSC, 2007)

Clinic: aggregating subsystem models into an automotive total plant throughput model. - Jeffrey Scott Miller; Randy Combs; Earnest Foster; Jeffrey D. Tew; Deborah J. Medeiros; Onur M. Ülgen (WSC, 2007)

Simulation implements demand-driven workforce scheduler for service industry. - Marcelo Zottolo; Edward J. Williams; Onur M. Ülgen (WSC, 2007)

Iterative use of simulation and scheduling methodologies to improve productivity. - Karthik Krishna Vasudevan; Ravindra Lote; Edward J. Williams; Onur M. Ülgen (WSC, 2008)

Simulation Of Medical Laboratory Operations To Achieve Optimal Resource Allocation. - Ravindra Lote; Edward J. Williams; Onur M. Ülgen (ECMS, 2009)

High Speedbottle Manufacturing Lines: Case Studies and Simulation Software Selection Techniques. - Karthik Krishna Vasudevan; Ravindra Lote; Edward J. Williams; Onur M. Ülgen (WSC, 2009)

Quantitative simulation approach to ameliorate deadlock concerns in automotive manufacture. - Dominic Baffo; Edward J. Williams; Onur M. Ülgen (SummerSim, 2010)

Panel discussion: Business processes for applying de simulation effectively in manufacturing companies. - Onur M. Ülgen; Scott J. Bury; Roberto Lu; Edward J. Williams; Demet C. Wood (WSC, 2010)

Simulation Increases Efficiency Of Engine Air-Leak Testing. - Ravindra Lote; Edward J. Williams; Onur M. Ülgen (ECMS, 2011)

Development And Use Of A Generic AS/RS Sizing Simulation Model. - Srinivas Rajanna; Edward J. Williams; Onur M. Ülgen; Vaibhav Rothe (ECMS, 2012)

Pitfalls in managing a simulation project. - Edward J. Williams; Onur M. Ülgen (WSC, 2012)