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MIDDLE PERMIAN BRACHIOPODS FROM THE OASHI FORMATION, ABUKUMA MOUNTAINS, NORTHEAST JAPAN = BRACHIOPODES DU PERMIEN MOYEN DE LA FORMATION OASHI, MONTS ABUKUMA, NORD-EST DU JAPONTAZAWA J; GUNJI Y.1982; SAITO HO-ON KAI MUSEUM OF NATURAL HISTORY RESEARCH BULLETIN; ISSN 50257X; JPN; DA. 1982; NO 50; PP. 67-75; BIBL. 2 P.; 1 PLANCH. ; ESQUISSE/ILL./PL.Article
