00730nam0-22002651i-450-990002606790403321000260679FED01000260679(Aleph)000260679FED0100026067920000920d1974----km-y0itay50------baENGPrimer in computer utilizationdi ERICKSO N e CURTISMorristownGeneral Learning Press1974Erickson,Maynard L.106242Curtis,Richard F.ITUNINARICAUNIMARCBK9900026067904033218-3-14-TI2090ECAECAPrimer in computer utilization434789UNINAING01