000
00241nam a2200085Ia 4500
008
130123s9999 xx 000 0 und d
082
_a
631.4
245
_a
Biology of Fertility of Soils Vol. 6 No.1-4
260
_a
heidelberg
_b
Springer-Verlag
_c
1988
999
_c
77175
_d
77175