TY  - BOOK
AU  - Robertson, G.P., ed.
AU  - Herrera, R., ed.
AU  - Roswall, T., ed.
TI  - Nitrogen cycling in ecosystems of Latin America and the caribbean v. 6 : developments in plant and soil sciences
PY  - 1982///
CY  - Hague
PB  - Martinus Nijhoff
ER  -