Concepts of modern natural science. Textbook for High Schools (Vol 2) / Kontseptsii sovremennogo estestvoznaniya Uchebnik dlya studentov vuzov, obuchayushchikhsya po gumanitarnym spetsialnostyam i spetsialnostyam ekonomiki i upravleniya - 2-e izd.,pererab. i dop. (GRIF)