@ARTICLE {HAHN:1990b, title = {Tetraploids, triploids, and 2n pollen from diploid interspecific crosses with cassava}, author = {Hahn, S. K. and Bai, K. V. and Asiedu, R. }, journal = {Theoretical and Applied Genetics}, year = {1990}, volume = {79}, pages = {433--439}, }