TY  - GEN
AU  - Trefil,James S.
TI  - Encyclopedia of science and technology 
SN  - 0415937248
U1  - 503 
PY  - 2001///
CY  - New York
PB  - Routledge
KW  - Science
KW  - Technology
UR  - http://www.loc.gov/catdir/enhancements/fy0651/2001019983-d.html
ER  -