TY  - BOOK
AU  - x, x
AU  - x
TI  - The penguin dictionary of philosophy: x
SN  - x 
U1  - R103/P399 
PY  - 1997///
CY  - London
PB  - Penguin bookes
KW  - Philosophy-Dictionaries
KW  - Envernmental engineering
ER  -