TY  - BOOK
AU  - Harris Stuart A
TI  - Permafrost environment
T2  - Croom Helm Natural Environment : Problem And Management
U1  - U:(G:55).198.N8, M6 
PY  - 1986///
CY  - London
PB  - Croom Helm U K       
KW  - Geography - Environment
ER  -