@ARTICLE {CHANDRA:2002, title = {Optimal sampling strategy and core collection size of Andean tetraploid potato based on isozyme data: a simulation study}, author = {Chandra, Z. and Huam{\'a}n, S. and Hari, K. and Ortiz, R. }, journal = {Theoretical and Applied Genetics}, year = {2002}, volume = {104}, pages = {1325--1334}, note = {RTB; Root and Tuber}, }