000 00306nam a2200121Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a621.381958
_bC465D
100 _aChaterji, B.N
245 0 _aDigital Computer technology
_c B.NChaterji
260 _aDelhi
_bKhanna
_c1991
300 _avi;382
999 _c3549
_d3549