@booklet {6359,
	title = {PUSHKAREV, Yu.D. 1990. Megacycles in the evolution of the crust-mantle system. Leningrad. Nauka, Leningrad. 300 pp.},
	year = {1990},
	note = {PUSHKAREV, Yu.D. 1990. Megacycles in the evolution of the crust-mantle system. Leningrad. Nauka, Leningrad. 300 pp.}
}
