FIRST FINDS OF PLANKTONIC FORAMINIFERA IN THE UPPER JURASSIC DEPOSITS OF THE PECHORA RIVER BASINGRIGYALIS AA; MESEZHNIKOV MS; YAKOVLEVA SP et al.1977; DOKL. EARTH. SCI. SECT.; USA; DA. 1977; VOL. 233; PP. 95-96; BIBL. 10 REF.; 1 ILL.; DE RUS; LOC. BRGM-USA 11;[DOKL. AKAD. NAUK S.S.S.R.; SUN; DA. 1977; VOL. 233; NO 5; PP. 926-927]Article

LOWER VOLGIAN OF THE PECHORA RIVER BASIN.MESEZHNIKOV MS; KRAVETS VS; KOZLOVA GE et al.1973; DOKL. EARTH SCI. SECT.; USA; DU RUSSE: DOKL. AKAD. NAUK S.S.S.R., S.S.S.R. 1973; 211, NO 6, 1415-1418,1973, VOL. 211, P. 114 A 116Miscellaneous