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Early Cretaceous Dinoflagellate Cysts and Chlorococcalean Algae from Freshwater and Low Salinity Palynofacies in the English Wealden

其他書名	Cretaceous Research 9(4) 1988 P337-367
URL	http://books.google.com.hk/books?id=ClackQEACAAJ&hl=&source=gbs_api