TY  - BOOK
AU  - Gnadig, Peter Honyek, Gyula 
TI  - 200 puzzling physics problems: with hints and sullutions 
SN  - 0-521-77480-2 
U1  - 530 GNA  
PY  - 2002///
CY  - Cambridge university press 
PB  - London 
KW  - PHYSICS
ER  -