Aslam, M In Vivo Nitrate Reduction in Roots and Shoots of Barley (Hordeum vulgare L.) Seedlings in Light and Darkness. [electronic resource] - Plant physiology Oct 1982 - 1009-13 p. digital Publication Type: Journal Article ISSN: 0032-0889 Standard No.: 10.1104/pp.70.4.1009 doi