000
00286nam a2200133Ia 4500
008
161121s9999 xx 000 0 und d
100
_a
HOPKINS (DONALD.P)
245
0
_a
Chemicals humus and the soil
260
_c
NIL
365
_b
0
650
_a
NIL
652
_a
#N/A
942
_c
BK
999
_c
26883
_d
26883