000 00275nam a2200121Ia 4500
020 _a81-85336-10-5
100 _aPeter Zorkoczy
245 _aInformation Technology
250 _a2
260 _c1989
_bAffiliated East-West Press
_aNew Delhi
300 _axi+159
942 _cBK
999 _c17104
_d17104