(NH4)2B4O7-NH2C2H4OH-H2O SYSTEM AT 25-DEGREES-C ArticleSKVORTSOV V.G., SADETDINOV S.V., MOLODKIN A.K., TSEKHANSKII R.S., AKIMOV V.M.ZHURNAL NEORGANICHESKOI KHIMII / Russian Journal of Inorganic Chemistry. Том 24. 1979. С. 1095-1098