秦皇岛柳江盆地石炭一二叠纪植物群及古地理演化
阎同生
CARBONIFEROUS—PERMIAN FLORA ANDPALAEOGEOGRAPHY EVOLUTION IN LIUJIANG BASIN OFQINHUANGDAO,HEBEI PROVINCE
Yan Tongsheng
古地理学报 . 2003, (4): 461 -474 .  DOI: 10.7605/gdlxb.2003.04.007