Abstract

Symmetry: Culture and Science
Volume 32, Number 2, pages 298-300 (2021)
https://doi.org/10.26830/symmetry_2021_2_298

A COLLECTION OF BOOKS AND POSTERS ON SYMMETRY AT THE NATIONAL MUSEUM “EARTH AND MAN”, SOFIA

Ruslan I. Kostov^*

^* University of Mining and Geology “St. Ivan Rilski”, 1700 Sofia, Bulgaria
E-mail: rikostov@yahoo.com