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1. SCIENTIFIC ABSTRACT BUKHIN, D.- BUKMAN, S.P.

   with a bright y-ellow-green colour. Lamp type Y~~0-41N (UFO-4A) with glass gradt (UFS-6) was used. Supply ...

2. SCIENTIFIC ABSTRACT BRESLER, P. I.- BRESLER, S. Y.

   analyser and Including appropriate light sources. The ultraviolet sources-were lamps UFO and PRK-4; ...