An Investigation into the Expressive Power of PDDL2.1. - Maria Fox 001; Derek Long; Keith Halsey (ECAI, 2004)

Multiple Relaxations in Temporal Planning. - Keith Halsey; Derek Long; Maria Fox 001 (ECAI, 2004)

Managing concurrency in temporal planning using planner-scheduler interaction. - Andrew Coles; Maria Fox 001; Keith Halsey; Derek Long; Amanda Smith (Artif. Intell., 2009)