000 00379nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aDudal, R., Bramao, D. Luis
245 _aDark clay soils of tropical and subtropical regions
260 _aRome
260 _c1965
300 _a162 p.
440 _aNo. 83; Food and Agriculture O
901 _pS12200
942 _cB
_2udc
999 _c119558
_d119558