@booklet {6057,
	title = {ZAVARITSKY, A.N. 1937. Petrography of the Berdyaush pluton. ONTI. Leningrad and Moscow. 331 pp.},
	year = {1937},
	note = {ZAVARITSKY, A.N. 1937. Petrography of the Berdyaush pluton. ONTI. Leningrad and Moscow. 331 pp.}
}
