The Absorption of Electromagnetic and Ultrasonic Energy 219 



3. Goldman, D. E., and T. F. Hueter, "Tabular Data of the Velocity and 

 Absorption of High-Frequency Sound in Mammalian Tissues," J. Aeons. 

 Soc. Am. 28: 35-37 (Jan. 1956). 



4. Articles in J. Acous. Soc. Am. by Carstensen, E. L., Kam Li, and H. P. 

 Schwan : 



a. "Determination of the Acoustic Properties of Blood and Its Com- 

 ponents," 25, pp. 286-289 (1953). 



b. "Absorption of Sound Arising From the Presence of Intact Cells in 

 Blood,"' 31, pp. 185-189 (1959). 



c. "Acoustic Properties of Hemoglobin Solutions," 31, pp. 305-311 

 (1959). 



5. Lehmann, J. F., "The Biophysical Mode of Action of Biologic and Thera- 

 peutic Ultrasonic Reactions," J. Acous. Soc. Am. 25: 17-25 (Jan. 1953). 



