[1] K,C.Smith,The Science of Photo biology,Plenum Press,New Yorkand London,1977,P.113,P.175.
[2] M,A.Everett et al.,Arch,Dermatology,1965,Vol.92,No.6,P.713-717.
[3] F.Urbach,The $iologic Effects of Ultraviolet Radiation (with emphasis on the skin),Pergamon Press,1969.
[4] Environmental Health Criteria 23,Laser Optical Radiation,Geneva,Word Health Organization,1982.
[5] Lin Shoachi et al.,A,P.L.,1981,Vol.38,No.5,P.328-330.
[6] J,A.Parrish et al.,J.Invest.Dermat.,1976,Vol.67,No.5,P.603-608.
[7] W,Monlagne et al.,J.Invest.Dermat.,1964,Vol.43,No.1,P.11-21.