SYNTHESIS, SPECTRAL AND CRYSTALLOGRAPHIC STUDIES OF COORDINATION COMPOUNDS OF SOME D AND F METALS WITH N-NITROZO-N-(METHYL)ETHYLHYDROXYLAMINE. СтатьяKovalchukova O.V., Ali Sheikh, Stash A.I., Strashnova S.B., Zyuzin I.N.Russian Journal of Inorganic Chemistry. Том Vol 59 No 3. 2014. С. 192-195