1. Early Proterozoic layered intrusions in the Northeastern part of the Fennoscandian Shield;Alapieti;Mineral. Petrol.,1990
2. On the age and source of magmas of Lower Proterozoic platinum-bearing layerered intrusions of Karelia;Amelin,1990
3. The age of the lower volcanic sequence of the Pechenga structure, Kola Peninsula;Balashov,1990
4. Dating of zircons from the Kivakka layered massif, Northern Karelia;Barkov,1991
5. Dating on baddeleyite and zircon from early Proterozoic granophyre rocks in the Imandra-Varzuga structure (The Kola Peninsula);Bayanova,1991