000 005050000a22001570004500
060 _a100
082 _a581. 1335 REC
100 _aHewitt E J, Catting CV
245 _aRecent aspects of nitrogen metabolism in plants; proceedings of the symposium held at long Ashton research station, university of Bristol
260 _aLondon, Academic press
260 _c1968
300 _a280
490 _aFirst long Ashton symposium 1967
650 _aNitrogen metabolism/metabolism-fixation
942 _cBK
999 _c215189
_d215189