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020 _a90 6832 128 5
040 _cChuka University Library
050 _aHC 865
_bK35 2001
100 _aDEFOER, TOON
245 0 _aMANAGING SOIL FERTILITY IN THE TROPICS
260 _aROYAL TROPICAL INSTITUTE
_bAMSTERDAM
_c2001
942 _cBK
999 _c13192
_d13192