TY  - BOOK
AU  - Walker, Jearl
TI  - Principles of physics
SN  - 978-0-470-56158-4
AV  - QC 21.3 .W35 2011  
PY  - 2011///
CY  - New Jersey
PB  -  John Wiley & sons
KW  - Physics
ER  -