[Francis Weston Sears, Mechanics, heat and sound, Addison-Wesley principles of physics series Volume 1, 2nd Edition, Addison-Wesley Press, 1950, 447]
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Francis Sears era físico estadounidense.
[Francis Weston Sears, Mechanics, heat and sound, Addison-Wesley principles of physics series Volume 1, 2nd Edition, Addison-Wesley Press, 1950, 447]
