TY  - BOOK
ED  - National Science Foundation.
TI  - The role of the national science foundation in polar regions: : a report to the national science board 
U1  - 508.311 
PY  - 1987///
CY  - Washington, District of Columbia
PB  - National Science Board
KW  - INVESTIGACION
KW  - REGIONES POLARES
KW  - REGIONES ARTICAS
ER  -