1. A miniature microphone for transistor amplifiers;Bauer;The Journal of the Acoustical Society of America,1953
2. Acoustics;Beranek,1954
3. Network Theory, an Introduction to Reciprocal and Nonreciprocal Circuits;Carlin,1964
4. Voice Coil Impedance as a Function of Frequency and Displacement;Dodd,2004
5. Electroacoustics: The Analysis of Transduction and Its Historical Background;Hunt,1954