- pyrasol
- Полимеры: пиразол
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Pyraminx — The Pyraminx is a tetrahedron shaped puzzle similar to the Rubik s Cube. It was invented and patented by Uwe Meffert, and introduced by Tomy Toys of Japan (then the 3rd largest toy company in the world) in 1981. [http://www.mefferts.com/puzzles… … Wikipedia