COMPARISON OF THE LOWER ORDOVICIAN TRILOBITE ASSEMBLAGES OF THE NORTHEASTERN U.S.S.R.,SIBERIA AND NORTH AMERICA.CHUGAEVA MN.1966; DOKL. EARTH SCI. SECT.; USA; 1966(9), VOL. 167, P. 34 A 37Miscellaneous

TRILOBITES DE L'ORDOVICIEN SUPERIEUR DANS LE NORD-EST DE L'U.R.S.SCHUGAEVA MN.1975; GEOL. INST., TRUDY, MOSKVA; S.S.S.R.; 1975, VOL. 272, P. 1 A 75Serial Issue

ORDOVICIAN IN THE NORTH-ESTERN U.S.S.R.CHUGAEVA MN.sdIN: ORDOVICIAN SYST. PROC. PALAEONTOL. ASSOC. SYMP.; BIRMINGHAM; 1974; CARDIFF UNIV. WALES PRESS, NATL. MAS. WALES,1976, P. 283 A 292Miscellaneous

BATYRBAJSAJSKY RAZREZ KEMBRIYA I ORDOVIKA V MALOM KARATAU (YUZHNYJ KAZAKHSTAN) = LA COUPE BATYRBAJSAJ DU CAMBRIEN ET DE L'ORDOVICIEN DU MALYJ KARATAU (KAZAKHSTAN SUD)APOLLONOV MK; CHUGAEVA MN.1982; IZV. AKAD. NAUK SSSR, SER. GEOL.; ISSN 0321-1703; SUN; DA. 1982; NO 4; PP. 36-46; H.T. 1; BIBL. 1 P.; 3 TAB. ; TABL.Article

THE CAMBRIAN-ORDOVICIAN BOUNDARY IN THE BATYRBAISAI SECTION, MALYI KARATAU RANGE, KAZAKHSTAN, USSR = LA LIMITE CAMBRIEN-ORDOVICIEN DANS LA COUPE BATYRBAISAI, CHAINE PETIT KARATAU, KAZAKHSTAN, URSSCHUGAEVA MN; APOLLONOV MK.1982; THE CAMBRIAN-ORDOVICIAN BOUNDARY: SECTIONS, FOSSIL DISTRIBUTIONS, AND CORRELATIONS; GBR; OXFORD: NATIONAL MUSEUM WALES; DA. 1982; PP. 77-85; BIBL. 1 P.; ILL.Book Chapter

THE CAMBRIAN-ORDOVICIAN BOUNDARY IN THE MALYI KARATAU RANGE, SOUTH KAZAKHSTAN = LA LIMITE CAMBRIEN-ORDOVICIEN DANS LA CHAINE DE MALYI KARATAOU, SUD DU KAZAKHSTANAPOLLONOV MK; CHUGAEVA MN; DUBININA SV et al.1981; OPEN-FILE REP. (U. S. GEOL. SURV. 1978); ISSN 0196-1497; USA; DA. 1981; NO 81-0743; PP. 15-17; BIBL. 15 REF.; ILL.Conference Paper