?
2
Nitrogen-fixing bacteria in nonleguminous crop plants
with 24 tab.
Brock, Springer series in contemporary bioscience
Exemplar:
Zentrale:Magazin vf 7085
?
4
Symbiotic nitrogen fixation in plants
International Biological Programme ; 7
Exemplar:
Zentrale:E02 a bot 107.2/437
?
5
Nitrogen fixation in bacteria and higher plants
Molecular biology, biochemistry and biophysics ; 21
Exemplar:
Zentrale:Magazin 01.p.2184
1-7