Environmental inspection routes and the constrained travelling system salesman problem
On the analysis and solution of certain geographical optimal covering problems
Methods for identification of vanishing variables in transportation problems and its possible applications
Interactive models in operations research—an introduction and some future research directions
PLANET: A simulation approach to PERT
Computers and operations research: A survey
Alternating priority queues with non-zero switch rule
Shortest distance and reliability of probabilistic networks
Replicating sequences of bernoulli trials in simulation modeling
Discrete optimization 1977