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- [21] TELLURIUM OXIDES OF HEAVY ELEMENTS OF RARE EARTHS AND YTTRIUM COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES SERIE C, 1967, 265 (22): : 1254 - &
- [22] CHEMICO-SPECTROGRAPHIC METHOD FOR DETERMINATION OF RARE EARTHS IN LANTHANUM AND ITS OXIDE ZHURNAL ANALITICHESKOI KHIMII, 1971, 26 (05): : 894 - +
- [23] COLOURED CHELATES OF RARE EARTHS AND THEIR ANALYTICAL APPLICATIONS, .2. ANALYTICAL APPLICATIONS OF THORON FOR DETERMINATION OF RARE EARTHS PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES INDIA SECTION A-PHYSICAL SCIENCES, 1968, 38 : 287 - &
- [25] CHEMICAL SEPARATION AND SPECTROGRAPHIC DETERMINATION OF TRACE AMOUNTS OF RARE EARTHS IN SAP MATERIAL .2. ENERGIA NUCLEARE, 1965, 12 (08): : 406 - &
- [27] DETERMINATION OF TRACES OF RARE EARTHS AND YTTRIUM IN TUNGSTEN MINERALS INDUSTRIAL LABORATORY, 1971, 37 (04): : 541 - &