by C. A. Brebbia ...[et al.] C.A. Brebbia ... [et al.]. by J. F. Bremner ...[et al.]. by C. L. Stewart ...[et al.]. by C. M. Purin ...[et al.]. by F. A. Bovey ...[et al.]. by C. E. Crouthamel ...[et al.]. by F. A. Holland ...[et al.]. by C. D. Haagensen ...[et al.]. by C. L. Godske ...[et al.].