000 004200000a22001570004500
008 140223b1957 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _a2:56 J7.1
082 _a2:56 J7.1
100 _aKENT (A)
700 _aPEAKES (G.L)
100 _aPERY (J.W)
245 _aProgress report in Chemical Literature Retrieval.
260 _aNew York
_binter science Pub.
_c1957
650 _aSUBJECT HEADINGS
999 _c220605
_d220605