000 00422nam a22001457a 4500
008 240703b |||||||| |||| 00| 0 eng d
020 _a8352-0268-2
040 _aNational Science Library
_cNational Science Library
080 _aR 017(73)
245 _aSubject guide to books in print 1970
260 _aNew York:
_bR R Bowker Company,
_c1970
300 _a2268p.
700 _aPrakken Sarah L (Ed.)
942 _2udc
_cBK
999 _c64005
_d64005