00345nam a2200133Ia 4500008004100000020001500041082001900056100001600075245004500091260003300136300000800169650001700177700001700194140316s9999    xx            000 0 und d  a0849364981  a631.43bGLI/SO  aGlinski,Jan  aSoil physical conditions and plant roots  aFloridabCRC Press Incc1990  a250  asoil science  aLipiec,Jercy