@ARTICLE {HAHN:1992a, title = {Spontaneous somatic tetraploids in cassava}, author = {Hahn, S. K. and Bai, K. V. and Asiedu, R. }, journal = {Japanese Journal of Breeding}, year = {1992}, volume = {42}, number = {2}, pages = {303--308}, note = {RTB; Root and Tuber; Cassava}, }