@ARTICLE {RAO:1978, title = {Effect of oxygen tension on nitrogenase and glutamine synthetase I and II in Rhizobuim japonicum, 61 A 76}, author = {Rao, R. V. and Darrow, R. and Keister, D. L. }, journal = {Biochemical and Biophysical Research Communications}, year = {1978}, volume = {81}, pages = {224--231}, }