000 00274nam a2200109 4500
020 _a0471221511
082 _a029.7 DOY/INF;1
100 _aDoyle, L B
245 _aInformation retrieval and processing
_cby Doyle, L B
260 _aLondon
_bMetville Pub.
_c1975
942 _cBK
999 _c379392
_d379392