ed. by Frank S. Santamour...[et al.] ed. by Frank. W. Mackison...[et al.] ed. by Suhas V. Patankar...[et al.] ed. by Frod L. Galtung...[et al.] ed. by H. J. Cantow...[et al.] ed. by Roger E. Salisbury...[et al.] ed. by Loannis S. Scarpa...[et al.] ed. by Alan R. Kolber...[et al.] ed. by Ernst H. Beutner...[et al.] ed. by F. J. Cleton...[et al.]