TY  - GEN
AU  - Fuggi, A
AU  - Rigano, C
AU  - Ullrich, W.R
TI  - Inorganic nitrogen in plants and microorgainisms : uptake and metabolism
U1  - 581. 192 14 INO. 
CY  - U S A, Springer Verlay
KW  - Inorganic nitrogen -plants / Micro organisms - plants
ER  -