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Taxonomic and Phylogenetic Studies of Heterohelix, Pseudoguembelina, Kastalina, Planoglogulima, Pseudotextularia and Racemiguembelina
出版University of Texas at Dallas, 1982
URLhttp://books.google.com.hk/books?id=coOntgAACAAJ&hl=&source=gbs_api