@book{bhlitem30861, title = {The nitrogen metabolism of micro-organisms }, copyright = {No known copyright restrictions as determined by scanning institution}, url = {https://www.biodiversitylibrary.org/item/30861}, note = {https://www.biodiversitylibrary.org/bibliography/7215}, publisher = {London, Methuen, [1955]}, author = {Fry, Bernard Alfred.}, year = {1955}, pages = {190}, keywords = {Nitrogen-fixing microorganisms}, }