References
- R.C. McMaster , Nondestructive Testing Handbook Vol. 2 ( Ronald , New York 1959 ) Sections 35 – 42 .
- J. Blitz and A.A. Rowse , Appl. Mat Res . 3 , 82 ( 1964 ).
- A.N. Aldeen , and J. Blitz , NDT International, 12 211 ( 1979 ).
- A.N. Aldeen and J. Blitz , Proc. 8 World Conf Nondestructive Testing ( Cannes 1976 ) paper 6.6.
- C.V. Dodd and W.E. Deeds , J. Appl. Phys ., 39 , 2829 ( 1968 )