References
- Debi , S. and Sharma , S.K. 1979 . Optica Acta , 26 : 297 – 297 .
- Sharma , S.K. , Somerford , D.J. and Sharma , S. 1982 . Optica Acta , 29 : 1677 – 1677 .
- Sharma , S.K. , Powers , S.R. and Somerford , D.J. 1981 . Optica Acta , 28 : 1439 – 1439 .
- Sharma , S.K. and Somerford , D.J. 1982 . J. Phys. D , 15 : 2149 – 2149 .
- Fymat , A.L. 1979 . Appl. Optics , 18 : 126 – 126 .
- Kerker , M. 1969 . The Scattering of Light and other Electromagnetic Radiation , 108 – 108 . New York : Academic Press .
- Farone , W.A. and Robinson , M.J. 1968 . Appl. Optics , 7 : 643 – 643 .
- Stephens , G.L. 1984 . Appl. Optics , 23 : 954 – 954 .