edited by L. W. Beineke. edited by E. R. Pike. edited by H. E. G. Jeske. edited by B. Robinet. edited by G. Heimke. edited by O.A. Oleinik. edited by Leo L. Beranek. edited by H. H. G. Jellinek. edited by Harry F. Meiners. edited by R. Feinberg.