Josis, P., Ndayishimiye, V., & Renard, C. (1983). [Study On the Water Relationships in Coffea-arabica .2. Evaluation of the Resistance To Dryness of Various Cultivars At Gisha (burundi)]. Cafe, Cacao, 27(4), 275-282. https://hdl.handle.net/2078.5/143208 (Original work published 1983)