DISTRIBUTION OF POTASSIUM AND RUBIDIUM IN THE MAFIC ROCKS OF THE LADOGA REGIONYAKOVLEVA SZ; LOBACH ZHUCHENKO SB; CHEKULAYEV VP et al.sdGEOCHEM. INTERNATION.; U.S.A. TRAD. DU RUSSE : GEOKHIMIJA, S.S.S.R., 1972, NO 7,1972, VOL. 9, NUM. 0004, P. 535 A 544Serial Issue

CHEMICAL COMPOSITION OF METAMORPHIC ROCKS OF THE LADOGA COMPLEX ON THE BALTIC SHIELD ANT THE PROBLEM OF MATERIAL BALANCE IN METAMORPHISM AND ULTRAMETAMORPHISMLOBACH ZHUCHENKO SB; CHEKULAYEV VP; CHEKULAEV VP et al.sdGEOCHEM. INTERNATION.; U.S.A. TRAD. DU RUSSE: GEOKHIMIJA, S.S.S.R., 1972, NO3,1972, VOL. 9, NUM. 0002, P. 219 A 225Miscellaneous