000 00360nam a2200145Ia 4500
020 _a0748704051
082 _b1353
_a001.642
100 _a"Leonard Seymour-Smith"
245 0 _aElements Of Information System
260 _b,Stanley Thornes
_aEngland
_c1990
300 _a178
944 _cBK
999 _c629923
_d629923