000 00248nam a2200085Ia 4500
001 MPKV109242
008 120911s9999 xx 000 0 und d
245 _aSoil & Tillage Research Vol, 9 No.1-4
_c;
260 _aNetherland
_bElsevier Press Amsterdam
_c1985
999 _c72586
_d72586