1. Grinberg, J., Jacobsen, A., Bleha, W.P., Miller, L., Fraas, L., Boswell, D. and Myer, B.: Optical Engineering 14, 1975, p. 217.
2. Auborg, P., Huignard, J.P., Hareng, M. and Mullen, R.A.: Applied Optics 21, 1982, p. 3706.
3. Baillie, W.L., Openshaw, P.M., Hart, A.D. and Makh, S.S.: lEE Proceedings 133, Parts 1 and 2, 1986, pp. 60–69.
4. Efron, U., Braatz, P.O., Little, M.J., Schwartz, R.N. and Grinberg, J.: Optical Engineering 22, 1983, p. 682.
5. Welkowsky, M.S., Efron, U., Byles, W. and Goodwin, N.W.: Optical Engineering 26, 1987, pp. 414–417.