000 00437nam a2200181Ia 4500
008 180424s9999 xx 000 0 und d
020 _a198545401
084 _a574.133 B2
100 _a"Broughton, W J"
245 0 _aNitrogen Fixationl
250 _a\\198100ENGGPMX
260 _aOxford University Press
260 _b1981
260 _cNew Delhi
300 _a306p
500 _aincludes index and biblioraphy
942 _cBK
999 _c46633
_d46633