Geologicheskiĭ institut (Akademi︠i︡a nauk SSSR) & Akhmetʹev, M. A. (1989). Paleofloristika i stratigrafi︠i︡a fanerozo︠i︡a. GIN AN SSSR.
Chicago Style (17th ed.) CitationGeologicheskiĭ institut (Akademi︠i︡a nauk SSSR) and M. A. Akhmetʹev. Paleofloristika I Stratigrafi︠i︡a Fanerozo︠i︡a. Moskva: GIN AN SSSR, 1989.
MLA citiranjeGeologicheskiĭ institut (Akademi︠i︡a nauk SSSR) and M. A. Akhmetʹev. Paleofloristika I Stratigrafi︠i︡a Fanerozo︠i︡a. GIN AN SSSR, 1989.
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