TY  - BOOK
AU  - Dunbar, M J
TI  - Ecological Development In Polar Regions
U1  - 574.5099 
PY  - 1972///
CY  - London
PB  - Prentice Hall
KW  - General Stack
KW  -  Ecology
KW  - CryobiologyNatural historyPolar regions
KW  - Biology
ER  -