Problems in general physics course for college. P.1. Mechanics, Thermodynamics and molecular physics / Sbornik zadach po obshchemu kursu fiziki Mekhanika. Termodinamika i molekulyarnaya fizika Tom(chast) 1. Uchebnoe posobie dlya vuzov. /Pod red. V.A. Ovchinkina - 2-e izd.,ispr. i dop. (GRIF)