Science and technology 1974 № 13
Film-document №75166 1 part, Duration: 0:10:05.04 Price category G
Availability of videosources
Needs clarification of possibility of digitizing.
Annotation1. "The path to victory" About the winners in the social. 3. "The autograph of a laser" On the method of studying a laser beam. 4. "They are so similar" On the study of the development of genetics in children using the twin method.