Nam, Tran, 		Hyodo, Hironobu, AND 		Itaya, Tetsumaru.
" Early proterozoic tectonothermal event south of the red river shear zone in Vietnam: first evidence from ... dating of single grain hornblende" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 16 Number 2 (15 June 2000)