TY  - BOOK
AU  - Sears,Francis Weston
TI  - Mechanics, heat and sound
T2  - Principles of physics series
AV  - QC23 S36 1958
PY  - 1958///, c1950
CY  - Reading, mass
PB  - Addison-wesley
KW  - Calor
KW  - Sonido
KW  - Mecánica
ER  -