00321nam a2200121 a 450000500170000002000150001708200130003210000190004524500520006426000340011630000280015063000210017820251202164128.0  a0040010074  a004bAUG  aAugarten, Stan  aBit by bit: an illustrated history of computers  aLondonbUnwinpaperbacksc1985  a324p.bill.c24 cm.bPB  aComputer science