1. Uses of Ultrasound in diagnosis;Brown,1972
2. Safety of Ultrasound in Diagnosis;Hill,1975
3. Some Factors Influencing the Temperature Distribution in Thighs exposed to Ultrasound;Lehmann;Arch. Phys. Med. Rehabil.,1967
4. Physical Principles of Ultrasonic Diagnosis;Wells,1969
5. Ultrasonics;Ensminger,1973