WEN-SHAN CHENChen, Wen-ShanWen-ShanChen2018-09-102018-09-101987http://ntur.lib.ntu.edu.tw/handle/246246/108804http://scholars.lib.ntu.edu.tw/handle/123456789/330843[SDGs]SDG14Ichnofacies of the Upper Oligocene Marine Deposits, Northeastern Coast, Taiwanconference paper