Patterns of high school students' explanations of their predictions and observations on sound di Soliven, Samuel R.

Sound advances as medical tool di Lane, Earl

Using sound di Morgan, Sally

Sound and vibration damping with polymers

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An improvised apparatus and suggested activities for teaching sound waves di Rodriguez, Socorro Magallanes 1949-

The meaning of sound di Ronan, Colin A.

Sound and ultrasound waves in air, water and solid bodies. (Zvukovye i ul'trazvukovye volny v vozdukhe, vode i tverdykh telakh) di Krasil'nikov, V. A.