[2]
W illiams I S,CompstonW,B lack L P,et al.Unsupport-ed Rad iogenic Pb in Z ircon:A Cause of AnomalouslyH igh Pb-Pb,U-Pb,and Th-Pb Ages[K].Contribution toM ineralogy and Petrolog,y,1984
[2]
W illiams I S,CompstonW,B lack L P,et al.Unsupport-ed Rad iogenic Pb in Z ircon:A Cause of AnomalouslyH igh Pb-Pb,U-Pb,and Th-Pb Ages[K].Contribution toM ineralogy and Petrolog,y,1984