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| 2003, Vol. 5(4): 461-474 DOI: 10.7605/gdlxb.2003.04.007 | ||
| CARBONIFEROUS—PERMIAN FLORA ANDPALAEOGEOGRAPHY EVOLUTION IN LIUJIANG BASIN OFQINHUANGDAO，HEBEI PROVINCE | ||
| Yan Tongsheng | ||
| Resources and Environment College of Hebei Normal University, Shijiazhuang 050016, Hebei | ||
| Received null Revised null | ||
| Supporting info | ||
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