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Sound/El Sonido: Loud, Soft, High, and Low/Fuerte, Suave, Alto y Bajo
Natalie M Rosinsky, Matthew John
Audio CD (Picture Window Books, March 1, 2008)Introduces the science of sounds, including volume, pitch, echoes, and eardrums.
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El Sonido/ Sound: Fuerte, Suave, Alto y Bajo/ Loud, Soft, High, and Low
Natalie M. Rosinsky, Matthew John
CD-ROM (Picture Window Books, April 30, 2008)None
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