000 00310nam a2200121Ia 4500
008 220201s1981 xx 000 0 eng d
100 _aDATE, C J
245 0 _aINTRODUCTION TO DATABASE SYSTEMS
250 _a3RD
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1981
300 _a580
942 _2ddc
999 _c60261
_d60261