TY  - BOOK
AU  - Trefil,James  .
TI  - Encyclopedia of science and technology / 
SN  - 0415937248
U1  - 503 
PY  - 2001///
CY  - New York : 
PB  - Routledge , 
KW  - ENCYCLOPEDIA-SCIENCE AND TECHNOLOGY
N1  - NULL
ER  -