TY  - BOOK
AU  - Gordon, J. C.
TI  - Biological nitrogen fixation in forest ecosystems : fundations and applications
U1  - 581.526.42 G54B 
PY  - 1983///
CY  - The Hague
PB  - Nijhoff / Junk
KW  - FOREST ECOLOGY
KW  - NITROGEN -- FIXATION
ER  -