01123cas a2200325 a 450000100090000000300080000900500170001700800410003401000590007503500240013404000630015804200080022105000180022908200130024724500340026025000120029426001040030630000190041031000140042936200220044350000360046550500350050151500360053652500400057265000350061270000390064771000250068678500780071185000080078912728296BD-DhUL20170613150638.0760620s1966    enk x    b    0    0eng d  a  2002201819z   59016733 z   66071608 z   73174024   a(OCoLC)ocm02253657   aMnMULSbengcMnMULSdOCoLCdIUdOCoLCdDLCdOCoLCdBD-DhUL  apcc00aZ1035.1b.W33  a011bWAG00aGuide to reference material /  a2nd ed.  aLondon :bLibrary Association ;aNew York, N.Y. :bDistributed in the U.S.A. by R.R. Bowker,c1966.  a3 v. ;c26 cm.  aIrregular0 a[1st ed.]-3rd ed.  aEditor: 1959-1977 A.J. Walford.0 av. 1. Science and techonology.  aIssued in 3 v., 2nd ed.-3rd ed.  aVol. issued in 1959 has supplement. 0aReference booksvBibliography.1 aWalford, A. J.q(Albert John)eed.2 aLibrary Association.00tWalford's guide to reference materialw(DLC)  2002201820w(OCoLC)20336077  aDLC