[by] C. P. Rourke [and] B. J. Sanderson. by H. J. Emel鈋us and J. S. Anderson. by O. A. Hougen and K. M. Watson. by K. J. Binns and P. J. Lawrenson. by L. R. Ford, Jr. and D. R. Fulkerson. by R. E. Dodd and P. L. Robinson. by G. A. Morris and J. Jackson. by I.F. Henderson and W.D. Henderson. by A. Erd鈋lyi and C. A. Swanson. edited by R.A. Cairns and J.J. Sanderson.