Sears, Francis Weston, 1898-1975 Principles of physics / by Francis Weston Sears - 3 volúmenes Contenido: v. 1. mechanics, heat and sound -- v. 2. electricity and magnetism -- v. 3. optics Subjects--Topical Terms: FísicaÓpticaMecánica LC Class. No.: QC23 / S37 1947