000 003850000a22001450004500
008 140223b1976 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _a2:56(A) L6
082 _a2:56(A) L6
100 _aPARKER (C C)
700 _aTURLEY (R V)
245 _aInformation sources in Science And technology.
260 _aLondon
_bButterworths
_c1976
650 _aSUBJECT HEADINGS
999 _c220667
_d220667