Arthur J. Keown...[et al.] ed. by Arthur J. Moss...[et al.] John W. Welch...et al Arthur R. Von Hippel Teodor J. Blachut...[et al.] by P. J. Bulman...[et al.] ed. by F. J. Cleton...[et al.] Arthur H. Brownlow ed. by R. H. Brown... [et al.]