TY  - BOOK
AU  - Bartholomew, W.V.
TI  - Soil Nitrogen
T2  - ( Agronomy: A Series of Monographs-10 )
U1  - 631.84 BAR-S 
PY  - 1965///
CY  - Madison
PB  - American Soc. of Agronomy
ER  -