TY  - BOOK
AU  - Hawksworth David L Ed.
AU  -  Clarke Stella Dextre Ed.
AU  -  Kirk Paul M Ed.
TI  - Biodiversity information :  Needs and options.     
U1  - G:527, N7 
PY  - 1997///
CY  - U
PB  - K Cab International     
ER  -