References
- Xu , Y. 1990 . The propagating solution and far field patterns for acoustic harmonic waves in a finite depth ocean . Applicable Analysis, , 35 : 129 – 151 .
- Xu , Y. 1990 . Direct and inverse scattering of acoustic waves in shallow oceans . Ph.D.dissertation,University of Delaware
- Morgenrother , K. and Werner , P. 1987 . Resonances and standing waves . Math. Meth. in the Appl.Sci , 9 : 105 – 126 .