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Lycostachys Protostelicus Gen. Et Sp. Nov. and Some Associated Megaspores from the Lower Carboniferous of Scotland

Divya Darshan PantJohn Walton

出版	E. Schweizerbart, 1961
URL	http://books.google.com.hk/books?id=5URDAAAAYAAJ&hl=&source=gbs_api