000
00300nam a2200121Ia 4500
008
161118s2016 xx 000 0 und d
082
_a
630 S7B4
100
_a
Spedding, C R W
245
0
_a
Biology of Agricultural Systems
260
_a
London
_b
Academic Press
_c
1975
300
_a
261p.
942
_2
ddc
999
_c
10399
_d
10399