000 00290nam a2200085 4500
008 220407b 1977 ne ||||| |||| 00| 0 eng d
020 _a9780720407655
245 _aStudies in integer programming /
_ced. by P.L. Hammer ... [et al.].
264 _aAmsterdam :
_bElsevier North-Holland,
_c1977.
999 _c582781
_d582779