citation
Sunderland, T.C.H.; Cunningham, A.B.; Tchoundjeu, Z.; Ngo-Mpeck; Laid, S.A. Yohimbe (Pausinystalia johimbe). In: The key non-timber forest products of Central Africa: a state of the knowledge. Clark, L.E., and Sunderland, T.C.H. (Eds). Technical Paper no. 122.. USAID, Washington DC, USA (2004) 121-138
