[1] U.S.P.3,997,854, 1976, 12.
[2] Laser Focus, 1980, 1,P.14.
[3] AD-750, 383, 1972.
[4] AD-722, 337, Vol, 1970, 10.
[5] Laser Weekly, 1979, 7,2.
[6] APPl.Opt.,1965, Vol. 4,1~7.
[7] AD-A042, 504, 1977, 6.
[8] AD-A025, 659, 1975.
[9] AD-A005, 275, 1974.
[10] Internet; Defertce Rev.1979.7, P.1235.
[11] 以色列MT-18型Laser Rangefingdero 1978, 9