Souza, A. B. de; Andrade, M. J. B. de; Alves, V. G.; Campagnoli, F. B. Sowing Densities and NPK and Liming Rates for Common Bean (cv. Iapar 81) on Clayey Latosol of Ponta Grossa, Parana State, Brazil. Semina: Ciênc. Agrár. 2004, 25, 5-12.