Lanfermeijer, F C Changing kinetics of L-valine uptake by immature pea cotyledons during development : An unsaturable pathway is supplemented by a saturable system. [electronic resource] - Planta Jul 1990 - 576-82 p. digital Publication Type: Journal Article ISSN: 0032-0935 Standard No.: 10.1007/BF00193013 doi