Author information
Authors and Affiliations
Additional information
Translated from Steklo i Keramika, No. 3, pp. 6–7, March, 1975.
Rights and permissions
About this article
Cite this article
Gretsov, P.V. An early fulfillment of the Ninth Five Year Plan. Glass Ceram 32, 162–163 (1975). https://doi.org/10.1007/BF00679046
Issue Date:
DOI: https://doi.org/10.1007/BF00679046