1. Faster algorithms for the shortest path problem;Ahuja;J. Assoc. Comput. Mach.,1990
2. Cherkassky, B. V., Goldberg, A. V., & Silverstein, C. (revised November 1996). Buckets, heaps, lists and monotone priority queues (NEC Research Institute Technical Report 96-070) (original work June 1996).
3. Buckets, heaps, lists and monotone priority queues;Cherkassky;SIAM Journal on Computing,1999
4. Spatial decision support systems;Crossland;Decision Support Systems,1995
5. Shortest — route methods: 1. Reaching, pruning, and buckets;Denardo;Operations Research,1979