00520nam a2200181Ia 4500008004100000020001500041082002000056100008700076245001500163260003900178300000800217650002300225650001800248653002400266653001100290700001900301700001800320170901s1968    xx            000 0 und d  a0123462509  a581.13345bS99P  aSymposium on recent aspects of Nitrogen Metabolism in Plants, First, Bristol, 1969 0aProceeding  aLondonbAcademic Press, Inc.c1968  a280  aBotanical sciences  aPure Sciences  aNitrogen metabolism  aPlants  aCutting, C. V.  aHewitt, E. J.