TY  - BOOK
AU  - Pickett, S.T.A., etc, eds.
TI  - Ecological basis of conservation: Heterogeneity, Ecosystems,and Biodiversity
SN  - 0412098512
U1  - 333.9516 
PY  - 1997///
CY  - New York
PB  - Chapman & Hall
ER  -