TY  - BOOK
TI  - ENVIRONMENTAL ROLE OF NITROGEN-FIXING BLUE-GREEN ALGAE AND ASYMBIOTIC BACTERIA
SN  - 9154602432
U1  - 589.46 
PY  - 1978///
CY  - SUIZA
PB  - NFR
KW  - ALGAS
KW  - VERDEAZULES
ER  -