00410naa a2200133 a 450000100080000000500110000800800410001910000170006024501040007726000090018165000120019065000140020277300600021619753972014-01-09       1971    bl ---       0--  u    #d1 aEBONG, U. U.  aA classification of cowpea varieties (Vigna sinensis, Endl.) in Nigeria into subspecies and groups.  c1971  aFeijão  aVariedade  tThe Nigerian Agricultural Journalgn. 7, p. 5-18, 1971.