@booklet {6331,
	title = {*ILYIN, A.V. 1989. Apatite deposits in the Khibiny and Kovdor alkaline igneous complexes, Kola Peninsula, north-western USSR. In A.J.G. Notholt, R.P. Sheldon and D.F. Davidson (eds), Phosphate deposits of the world. 2. Phosphate rock resources. 485-93. Ca},
	year = {1989},
	note = {*ILYIN, A.V. 1989. Apatite deposits in the Khibiny and Kovdor alkaline igneous complexes, Kola Peninsula, north-western USSR. In A.J.G. Notholt, R.P. Sheldon and D.F. Davidson (eds), Phosphate deposits of the world. 2. Phosphate rock resources. 485-93. Cambridge University Press. Cambridge.}
}
