TY  - BOOK
AU  - Hansson,Lennart
TI  - The Ecological principles of nature conservation: applications in temperate and borel environments 
SN  - 1851667180
PY  - 1992///
CY  - London, New York, New York, NY
PB  - Elsevier Applied Science, Elsevier Science Publishing [distributor]
KW  - Nature conservation
KW  - Ecology
ER  -