TY  - BOOK
AU  - Sears, Francis Weston
TI  - Principles of physics series: mechanics, heat, and sound
AV  - QC23 .S43 1950 
PY  - 1950///
CY  - United States of America
PB  - Addison-Wesley Publishing Company
KW  - Sound
KW  - Heat
KW  - Mechanics
N1  - Includes index
ER  -