@booklet {6333,
	title = {*KHAPAYEV, V.V. and KOGARKO, L.N. 1987. Composition of rock-forming minerals in the Khibiny apatite-bearing intrusion and the origin of the apatite deposits. Geochemistry International, 24(12): 21-32.},
	year = {1987},
	note = {*KHAPAYEV, V.V. and KOGARKO, L.N. 1987. Composition of rock-forming minerals in the Khibiny apatite-bearing intrusion and the origin of the apatite deposits. Geochemistry International, 24(12): 21-32.}
}
