1. 1.  Ishii, M;Thermo-Fluid Dynamics theory of Two-Phase Flow, Eyrolles, Paris, (1975).
   2. CIRA: Cospar international reference atmosphere “Academic-Cerlag Berlin(1972) and CIRA : Cospar international reference atmosphere” AcademicVerlag(1964)
   3. Dunn, D. J.; “Turbulence and its effects upon the transmission of sound in water” J. Sound Vib; 2, 307 (1965)
   4. Rath, H. J, : Free and forced oscillations of spherical gas bubbles and their translational motion, Under water acoustics, Springer (1980).
   5. Thorpe. S. A.On the clouds of bubbles formed by breaking wind waves in deep water and their role in air-sea gas transfer. Proc. R. Soc. London; A 304, 155- 210 (1982)