@PROCEEDINGS {TERRY:1980c,
title = {The production of pathogen-free cassava planting material for distribution},
author = {Terry, E. R. },
booktitle = {Paper presented at the Cassava Outreach Workshop, PRONAM, Mvuazi, Zaire, 19-22 May, 1980},
year = {1980},
note = {RTB; Root and Tuber; Cassava},
}