TY  - BOOK
AU  - Spellerberg,Ian F..
AU  - Hardes,Steve  .
TI  - Biological conservation / 
SN  - 9780521397865
U1  - 571.7 
PY  - 1992///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - BIOLOGICAL DIVERSITY CONSERVATION
N1  - Includes bibliographical references and index
ER  -