"Seiko Yamasaki*,Ryotaro Sawada,Ayako Ozawa,Takahiro Tagami,Yumiko Watanabe,Eiichi Takahashi","Unspiked K?Ar dating of koolau lavas, Hawaii: Evaluation of the influence of weathering/alteration on age determinations,",,"Chemical Geology",,"Vol. 287",,"pp. 41-53",2011,