1. Ultrasonic spectroscopy;Gericke;US patent 3538753,1970
2. Paper number 1 in The Future of Ultrasonic Spectroscopy;Gericke,1971
3. Encyclopedic Dictionary of Physics Supplement 4;Gericke,1971
4. Scattering of high-frequency sound waves in polycrystalline materials;Bhatia;Journal of the Acoustical Society of America,1959