Piesi
By: Kolʹo Georgiev.
Edition: 1. izd.
Publisher: Bŭlgarski pisatel
Published: 1984
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 209
Table of contents: title: Izbor po variantnata sistema; title: Sinʹo-belii͡a︡t skrezh; title: Chetvŭrta-peta stepen po skalata na Rikhter.