00389nam a2200121Ia 4500082002200000100005500022245010200077260003600179300001700215500000500232653000600237700002400243  a658.4034bC748.OR  aConference on "Operational Research", Venice, 1969  aOperational research; proceedings of fifth IFORS international conferencebcEd. by John Lawrence  aLondonbTavistock Publns.c1979  acxxvi, 855p.  a  a   aLawrence John ; ed.