Carvalho HWL de, Leal M de L da S, Guimarães PE de O, Santos MX dos, Carvalho PCL de. Three cycles selection among and within half sib progenies in the maize population CMS-52. PAB. 2000;35(8):1621-1628. doi:10.1590/S1678-3921.pab2000.v35.5940