ISOTOPIC COMPOSITION OF CARBON IN CALCITES REPRESENTATIVE OF DIFFERENT TEMPERATURE STAGES OF CARBONATITE FORMATION AND THE PROBLEM OF GENESIS OF CARBONATITES.VINOGRADOV AP; KROPOTOVA OI; EPSHTEJN EM et al.1967; GEOCHEM. INTERNATION.; USA; 1967, VOL. 4, NUM. 0003, P. 431 A 441Miscellaneous

GENESE DES GISEMENTS DE MINERAIS ENDOGENES.SMIRNOV VI; GODLEVSKIJ MN; NIKITIN VD et al.1968; GENEZIS.ENDOGEN.RUDN.MESTOROZHD.-MOSCOU.IZDAT.NEDRA.; 1968, P. 1 A 719Miscellaneous