000 00276nam a2200121Ia 4500
008 220201s1988 xx 000 0 eng d
082 _a4
_bPAReference
100 _aParker,C.S.
245 0 _aComputers and their applications
260 _c1988
300 _a461
942 _2ddc
999 _c6571
_d6571