000			00375nam a2200157Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a471906069
041			_aen
082			_a519.7
100			_aWILLIAMS.H.P.
245		0	_aModel Building In Mathematical Programming
250			_a2nd
260			_aNew York _bJohn Wiley & Sons _c1985
300			_ax,349p.
942			_cLL
999			_c9995 _d9995