000 00277nam a2200109Ia 4500
008 200527s9999||||xx |||||||||||||| ||und||
082 _a4 HOL T
100 _aHollingdale, S.H. , Tootill, G.C.
245 0 _aElectronic Computers
264 _bPenguin Books
_c1970
300 _a377p.
999 _c15266
_d15266