@ARTICLE {MKUMBIRA:2003a,
title = {Grouping locations for efficient cassava evaluation in Malawi},
author = {Mkumbira, J. and Mahungu, N. and Gullberg, U. },
journal = {Experimental Agriculture},
year = {2003},
volume = {39},
pages = {167--179},
note = {RTB; Root and Tuber; Cassava},
}