TY  - BOOK
AU  - Trefil,James S.
TI  - The nature of science: an A-Z guide to the laws and principles governing our universe 
SN  - 0618319387
AV  - Q 121 T786n 2003
PY  - 2003///
CY  - Boston
PB  - Houghton Mifflin
KW  - Science
KW  - Encyclopedias
ER  -