@booklet {6328,
	title = {*FRENKEL, M.Y. and KHAPAYEV, V.V. 1989. A convective cumulation model of crystallization differentiation of the melt and formation of the apatite deposits in the Khibiny ijolite-urtite intrusion. Geochemistry International, 27(4): 101-12.},
	year = {1989},
	note = {*FRENKEL, M.Y. and KHAPAYEV, V.V. 1989. A convective cumulation model of crystallization differentiation of the melt and formation of the apatite deposits in the Khibiny ijolite-urtite intrusion. Geochemistry International, 27(4): 101-12.}
}
