Collicchio, E., Patto Ramalho, M. A. and Barbosa Abreu, Ângela de F. (1997) “Association between plant architecture of the bean plant and seed size”, Pesquisa Agropecuaria Brasileira, 32(3), pp. 297–304. doi: 10.1590/S1678-3921.pab1997.v32.4639.