Lo, C.H.C.H.LoChen, P.-J.P.-J.ChenTsou, T.-Y.T.-Y.TsouSun, S.-S.S.-S.SunLee, C.-Y.C.-Y.Lee2010-09-282018-06-282010-09-282018-06-281999-11http://ntur.lib.ntu.edu.tw//handle/246246/206783en-USAge of Sinosauropteryx and Confuciusornis - 40Ar/39Ar laser single-grain and K-Ar dating of the Yixian Formation, NE China.journal article