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- [3] SOME O-PHENANTHROLINE COMPLEXES OF YTTRIUM AND LANTHANIDES PROCEEDINGS OF THE CHEMICAL SOCIETY OF LONDON, 1963, (APR): : 107 - &
- [5] O-PHENANTHROLINE COMPLEXES OF RARE-EARTH PERCHLORATES ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, 1966, 348 (5-6): : 309 - +
- [10] Determination of iron with o-phenanthroline - A spectrophotometric study INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1938, 10 : 0060 - 0064