TY  - GEN
AU  - Aparicio, P.J.
AU  - Fuggi, A.
AU  - Rigano, C.
AU  - Ullrich, W.R.
TI  - Inorganic nitrogen in plants and micro organisms : uptake and metabolism
U1  - 581.133 5 ULL 
CY  - New York, Springer - verlag Berlin Heidelberg
KW  - Inorganic nitrogen/ carbon - nitrogen relationship/ enzymes - genetics and molecular biology
ER  -