Thang, Tran, 		Hai, Do, 		Huy, Do, AND 		Dung, Nguyen.
" A new natural source of Camphor from Cinnamomum longepetiolatum Costerm. apud Phamh. in Vietnam" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 24 Number 3 (15 September 2008)