[1]
Nazir, M., Ahmad, W. and Kreiser, W. 1998. ?ISOLATIONANDNMR-ASSIGNMENTS OF 19aH-LuPEOL FROME. HELIOSCOPIA LINN (N.O. EUPHORBIACEAE). Biological Sciences - PJSIR. 41, 1 (Feb. 1998), 6–10.