E ffect of Perm afrost degradationin the east of Tibetan p lateau on environm ent. Zhu L innan,W u Z iwang. M arineGeology and Quaternary Geology . 1995
E ffect of Perm afrost degradationin the east of Tibetan p lateau on environm ent. Zhu L innan,W u Z iwang. M arineGeology and Quaternary Geology . 1995