The study of argon laser. The Lebedev Physical Institute of the USSR Academy of Sciences.
- Categories: Science & Technology
- Location: Moscow, Russia
- Event date: 01.01.1974
- Date published: 06.04.2010
- Author: Tunkel
- Source: Sputnik
- Credit: Sputnik
- Original: DC74-797, 6x6 slide
- Media: JPEG, 3583x3544px, 1.5Mb