1. Scheduling project networks with resource constraints and time windows;Bartusch;Annals of Operations Research,1988
2. On a routing problem;Bellman;Quarterly of Applied Mathematics,1958
3. Project planning with precedence lead/lag factors;Crandall;Project Management Quarterly,1973
4. Scheduling Project with Generalized Precedence Constraints - Exacts and Heuristics Approaches;De Reyck,1998
5. Project scheduling: A research handbook;Demeulemeester,2002