000 00315nam a2200109Ia 4500
008 140113s9999 xx 000 0 und d
100 _a"Lal, R. & Greenland, D.J."
245 _aSoil Physical Properties and crop production in the tropics
260 _a1979
_bJohn Wiley & Sons
_cU.S.A.
300 _a551
942 _cBK
999 _c60705
_d60705