000 00310nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a651.84 N277
100 _aNATIONAL COMPUTING CENTRE
245 0 _aGUIDELINES FOR COMPUTER MANAGERS
260 _aENGLAND
_bN.C.C
_c1981
300 _a21X14
942 _cBK
_2DDC
999 _c21766
_d21766