00325nam a2200133Ia 4500082002100000100001900021245004900040250000900089260003300098300001300131500003700144500000500181700000500186  a518.542bSp771.C  aSprowls, R. C.  aComputers; a programmatic problem approachb  aRev.  aNew YorkbHarper & Rowc1969  ax, 399p.  a"A Harper International edition"  a  a