TY  - BOOK
AU  - Hawksworth, D.L.
TI  - Biodiversity: measurement and estimation 
SN  - 0412752204
AV  - RNF QH 77 B5 1995 
PY  - 1995///
CY  - London 
PB  - Chapman & Hall
KW  - Restoration ecology
KW  - Biological diversity
KW  - Conservation
ER  -