000
00277nam a2200121Ia 4500
008
161121s9999 xx 000 0 und d
100
_a
DIXON (ROD) ; WHEELER. C. T
245
0
_a
Nitrogen fixation in plants
260
_c
Blackie
365
_b
0
650
_a
NIL
942
_c
BK
999
_c
94645
_d
94645