TY  - BOOK
AU  - Trefil,James
TI  - The nature of science: an A-Z guide to the laws and principles governing our universe 
SN  - 9780618319381
U1  - 503 
PY  - 2003///
CY  - Boston
PB  - Houghton Mifflin
KW  - Science
KW  - Encyclopedias
KW  - Physical laws
N1  - Includes index
ER  -