000			003230000a22001330004500
008			140223b1973 xxu||||| |||| 00| 0 eng d
041			_aENG
080			_a2:56 L3
082			_a2:56 L3
100			_aVICKERY (B C)
245			_aInformation system
260			_aLondon _bButterworths _c1973
650			_aSUBJECT HEADINGS
999			_c220616 _d220616