00367naa a2200121 a 450000100080000000500110000800800410001910000190006024501010007926000090018070000180018977300380020718387022010-01-10       1977    bl ---       0--  u    #d1 aPATERNIANI, E.  aReciprocal recurrent selection in maize (Zea mays L.) based on testcrosses of half-sib families.  c19771 aVENCOVSKY, R.  tMaydicagv. 22, p. 141-152, 1977.