01099cam a22002531 450000100090000000300080000900500170001700800410003401000170007501500140009203500190010604000380012504200120016305000210017508200160019611000570021224502670026926000630053630000350059950400390063465000340067365000470070771100910075410278606BD-DhUL20150105142656.0750606s1957 enka b 101 0 eng  a 57004352  aGB57-7208 a(OCoLC)1377559 aDLCcGATdOCoLCdUkdDLCdBD-DhUL apremarc00aTN500b.I44 1956 a669.29bINE2 aInstitution of Mining and Metallurgy (Great Britain)10aExtraction and refining of the rarer metals;ba Symposium on Extraction Metallurgy of Some of the Less Common Metalscarranged by the Institution of Mining and Metallurgy, held on 22nd and 23rd March, 1956, at the Royal Society of Arts, John Adam Street, London. aLondon :c1957.bThe institution of mining and metallurgy, axiii, 444 p. :bill. ;c23 cm. aIncludes bibliographies and index. 0aOre-dressingxSocieties, etc. 0aRare earth metalsxMetallurgyvCongresses.2 aSymposium on Extraction Metallurgy of Some of the Less Common Metalsd(1956 :cLondon)