01143cas a2200325 a 4500 12728296 BD-DhUL 20170608081723.0 760620d1973 enk x b 0 0eng c 2002201819 59016733 66071608 73174024 0853653267 (OCoLC)ocm02253657 MnMULS eng MnMULS OCoLC IU BD-DhUL pcc Z1035.1 .W33 011 WAG Guide to reference material : Vol. 1. Science & technology / 3rd ed. London : Library Association ; New York, N.Y. : Distributed in the U.S.A. by R.R. Bowker, 1973. 3 v. ; 26 cm. Editor: 1959-1977 A.J. Walford. Issued in 3 v., 2nd ed.-3rd ed. Vol. issued in 1959 has supplement. Reference books Bibliography. Walford, A. J. (Albert John) Library Association. Walford's guide to reference material (DLC) 2002201820 (OCoLC)20336077 7 cbc serials 2 ncip 20 n-oclcserc ddc REF 204407 204407 0 0 ddc 0 011_000000000000000_WAG 1 REF 343882 DUL DUL REF 2017-06-08 Gift 011 WAG A122875 2017-06-08 2017-06-08 REF