TY  - BOOK
AU  - Larsen,James A.
TI  - The northern forest border in Canada and Alaska : biotic communities and ecological relationships
T2  - Ecological studies ; 
SN  - 0387967532
U1  - 574 
PY  - 1988///
CY  - New York : 
PB  - Springer-Verlag, 
ER  -