NATO ADVANCED RESEARCH WORKSHOP ON ALGORITHMS AND MODEL FORMULATIONS IN MATHEMATICAL PROGRAMMING(1987 <br/><br/>
"Algorithms and model formulations in mathematical programming.Proceedings of the NATO Advanced Research Workshop, Bergen, Norway, June 15-19, 1987" 

 - Berlin  Springer  1989 
 - ix p. + 191 
 - "NATO ASI Series F, Vol 51" .