TY  - BOOK
AU  - NIELSEN (Donald R) & MacDONALD (J.G) Ed.
TI  - Nitrogen in the environment Vol.2 : Soil-Plant-Nitrogen Relationships
SN  - 0-12-518402-6
U1  - GV:38   L8.2 
PY  - 1978///
KW  - Micobiology
ER  -