摘要
20091168 Liu Yan(China University of Geosciences, Beijing 100083,China);Sun Keqin Study on the Permian Paleophytogeographical Provinces in Tibet(Geological Review,ISSN0371-5736,CN11-1952/P, 54(3),2008,p.289-295,2 illus.,1 table, 34 refs.,with English abstract)