TY  - BOOK
AU  - Dunbar,M.J.
TI  - Ecological development in polar regions : a study in evolution
U1  - 574.5 DUN  
PY  - 1968///.
CY  - New Jersey : 
PB  - Prentice-Hall, Inc., 
KW  - Cryobiology
KW  - Natural history
KW  - Ecology
N1  - Includes index.
ER  -