Classical descriptions of motion : the dynamics of particle trajectories, rigid rotations, and elastic waves / Emil Jan Konopinski. Konopinski, Emil Jan, 1911- Mathematical physics. Motion. QC20 .K66 531 KOC Includes index. San Francisco : W. H. Freeman, c1969. c1969. 1969 Text xiii, 504 p. : eng A Series of books in physics A Series of books in physics