000 004800000a22001810004500
020 _a0-521-20645-6
060 _a100
082 _a581.133 5 NUT
100 _aNutman, P S
245 _aSymbotic nitrogen fixation in plants
260 _aLondon, Cambridge University Press
260 _c1976
300 _a584
490 _a 7
_cInternational Biological Programme
490 _aInternational Biological Programme
650 _aTaxonomy/ legume inoculunts
942 _cBK
999 _c217688
_d217688