000 00300nam a2200109 4500
020 _a0837163226
082 _a025.33 WEL/SUB;1
245 _aSubject retrieval in the seventies
_cedited by Wellisch, H and Wilson T D
260 _aLondon
_bGreen wood Pub.
_c1972
700 _aWilson T D
942 _cBK
999 _c378810
_d378810