00620nam a2200145Ia 4500008004100000082002000041100006500061245018200126260003700308300000600345490004200351700002700393700002800420700002600448260327b        |||||||| |||| 00| 0 eng d  a519.91bN279.DO  aNATO Advaced Research Institute, Banff, Alberta, August 1977  aDiscrete optimization and systems application of the systems science panel of NATO and of the discrete optimization symposium co-sponsored by IBM Canada and SIAM; proceedingsb/  aAmsterdam:bNorth-Holland,c1979  a   aAnnals of Discrete Mathematics v 485  aHammer, P. L.eeditor.  aJohnson, E. L.eeditor.  aKorte, B. H.eeditor.