Tufflavas and ignimbrites a survey of Soviet studies - Cook, Earl Ferguson, 1920- (New York American Elsevier Pub. Co, 1966)
Translation of papers first published as issue 20 of the Trudy of the Volcanological Laboratory of the Academy of Sciences (USSR)
Bibliography: p. 204-208.
engrus
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Keywords: Volcanic ash, tuff, etc; Petrology -- Soviet Union