| References: | Znamenskiy V.S., Korzhinsky M.A., Steinberg G.S., Tkachenko S.I., Yakushev A.I., Laputina I.P., Bryzgalov I.A., Samotoin N.D., Magazina L.O., Kuzmina O.V., Organova N.I., Rassulov V.A., Chaplygin I.V. (2005): Zapiski Vse.Mineral.Obshch., 134(5), 32-40 |