TY  - BOOK
AU  - Billings, W. D. 
TI  - Landscape Heterogeneity And Disturbance
SN  - 0387964975
U1  - 333.73 TUR  
PY  - 1987///
CY  - London 
PB  - Spinger- Verlag 
KW  - Landscape Protection
ER  -