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	1.	Nitrogen fixation: molecular biology. by Broughton, W. J [Author] Puhler, A [Author] Series: ; Vol.4 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Oxford: Clarendon Press, 1986 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: AMU-Applied Microbiology Unit AMU QR89.7.N55. Place hold Add to cart (remove)
	2.	Nitrogen fixation legumes. Vol.3 W. J. Broughton by Broughton, W. J [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Oxford Clarendon Press 1983 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: AMU-Applied Microbiology Unit AMU QR89.7.N55. Place hold Add to cart (remove)
	3.	Nitrogen fixation rhizobium. W. J. Broughton by Broughton, W. J [Author] Series: ; Vol.2 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Oxford Clarendon Press 1982 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: AMU-Applied Microbiology Unit AMU QR89.7.N57. Place hold Add to cart (remove)
	4.	Nitrogen fixation ecology. W. J. Broughton by Broughton, W. J [Author] Series: ; Vol.1 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Oxford Clarendon Press 1981 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: AMU-Applied Microbiology Unit AMU QR89.7.N57. Place hold Add to cart (remove)