Kossovskaya, A. G.; Murav'yev, V. I. (1975): O tozhdestve okeanicheskikh i platformennykh tseolit-kristobalitovykh porod Similarity of oceanic and platform zeolite-cristobalite rocks. Akademiya Nauk SSSR, Moscow, USSR, Doklady Akademii Nauk SSSR, 223 (2), 431-433, georefid:1977-024485