00493nam a2200169Ia 4500008004100000082002000041100008700061245001500148260003900163300000800202650002300210650001800233653002400251653001100275700001900286700001800305170901s1968    xx            000 0 und d  a581.13345bS99P  aSymposium on recent aspects of Nitrogen Metabolism in Plants, First, Bristol, 1974 0aProceeding  aLondonbAcademic Press, Inc.c1968  a280  aBotanical sciences  aPure Sciences  aNitrogen metabolism  aPlants  aCutting, C. V.  aHewitt, E. J.