00467     2200205   4500001002100000035002000021245002900041100001600070260003900086300002900125084001000154082001000164650001600174650001200190650001700202650001400219650001000233990000900243990000900252INLIS000000000004778  a0010-0421000343  aThe tropical tuber crops  aI.C Onwueme  aChicesterbJohn Wiley & Sonsc1978  axii, 234 p.cill ; 23 cm  a633-4  a633-4  aUMBI-UMBIAN  aCASSAVA  aSWEET POTATO  aCOCOYAMNS  aYAMS.  a2162  a2162