000 00325nam a2200121Ia 4500
008 160601s9999 xx 000 0 und d
100 _aOnwueme, I C
_937269
245 _aTropical tuber crops, yams, cassana, sweet potato and cocayans
260 _aChichestor
260 _bJohn Wiley & Sibs
260 _c1978
300 _a234
999 _c12519
_d12519