TY  - BOOK
AU  - Pratchett, Terry
AU  - Stewart, Ian
AU  - Cohen, Jack S.
TI  - The science of Discworld
SN  - 0091865158
U1  - 500 
PY  - 1999///
CY  - London
PB  - Ebury
KW  - Cosmology
KW  - Discworld (Imaginary place)
KW  - Evolution (Biology)
N1  - Includes index
ER  -