00343nam a2200121 a 450000500170000002000150001708200150003210000220004724500520006926000250012130000290014663000460017520251202164247.0  a0566025310  a001.5bCEI  aStokes, Adrian V.  aConcise encyclopaedia of Information technology  aVermontbGowerc1984  aviii, 279 p.b21 cm.cHB  aInformation storage and retrieval systems