[1] | Applied optics, 1966, No.1, P.5. |
[2] | Applied optics, 1964, No.6, P.719. |
[3] | AD 3711,791. |
[4] | EOSD, 1977, No.8, P.40. |
[1] | Applied optics, 1966, No.1, P.5. |
[2] | Applied optics, 1964, No.6, P.719. |
[3] | AD 3711,791. |
[4] | EOSD, 1977, No.8, P.40. |