by L.D. Landau and E.M. Lifshitz ; translated from the Russian by J.B. Sykes and W.H. Reid ; : hardcover, : flexicover. -- 3rd English ed., rev. and enl., A.M. Kosevich, and L.P. Pitaevskiĭ. -- Pergamon Press, 1986. -- (Pergamon international library of science, technology, engineering and social studies . Course of theoretical physics; v. 7).