TY  - BOOK
AU  - Gnadig, Peter  .
TI  - 200 puzzling physics problems: with hints and solutions / 
SN  - 0-521-54078-X
U1  - C 
PY  - 2001///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - Physics-Problems,exercises, etc
ER  -