000
00313nam a2200121Ia 4500
008
161118s2016 xx 000 0 und d
082
_a
631.874 LUM-A
100
_a
Lumpkin, T. A.
245
0
_a
Azolla as a Green Manure :
260
_a
Boulder (Colorado).
_b
Westview Press.
_c
1982
300
_a
230p.
942
_2
ddc
999
_c
17038
_d
17038