00281nam a2200109Ia 450000500170000000800410001708200160005810000160007424500340009026000390012430000080016320260224040942.0260224s9999||||xx |||||||||||||| ||und||  a581.133 BRA  aBray, C.M.  0aNitrogen metabolism in plants  aLondon: Longman Group & Co. c1983  a214