Teyker, R H Exogenous NO(3) Influx and Endogenous NO(3) Efflux by Two Maize (Zea mays L.) Inbreds during Nitrogen Deprivation. [electronic resource] - Plant physiology Mar 1988 - 778-81 p. digital Publication Type: Journal Article ISSN: 0032-0889 Standard No.: 10.1104/pp.86.3.778 doi