1. Abramowitz, M. and I. A. Stegun, 1972. Handbook of Mathematical Functions. (Dover, NY).
2. Avetisyan, I. A., 1976: Effect of polymer additives on the acoustic properties of a liquid containing gas bubbles. Sov. Phys. Acoust. 23, 285–288.
3. Baylor, E. R. and W. H. Sutcliffe Jr., 1963: Dissolved organic matter in seawater as a source of particulate food.Limnol. Oceanogr. 8, 369–371.
4. Blanchard, D. C. and A. H. Woodcock, 1957: Bubble formation and modification in the sea and its meteorological significance. Tellus 9, 145–158.
5. Bouma, P. J., 1971: Physical Aspects of Color. (StMartin’s Press, NY).2nd ed.