TY  - BOOK
AU  - Boyer, Elizabeth W
AU  - Howarth, Robert Warren
ED  - SCOPE Nitrogen Project
TI  - The nitrogen cycle at regional to global scales
SN  - 9781402007798
SN  - 200202895
U1  - 577.145 BOY 
PY  - 2002///
CY  - Dordrecht ; Boston, MA
PB  - Kluwer Academic Publishers
KW  - Nitrogen cycle
N1  - Includes bibliographical references
ER  -