Verbatim text: Olsen, K. and B. A. Schaal. 1999. Evidence on the origin of cassava: Phylogeography of Manihot esculenta. Proc. Natl. Acad. Sci. U.S.A. 96: 5586–5591.
Author: Olsen, K., Schaal, B.A.
Year: 1999
Title: Evidence on the origin of cassava: Phylogeography of Manihot esculenta
Journal: Proc. Natl. Acad. Sci. U.S.A
Volume: 96
Pages: 5586–5591