contributing editors, K.H. Hsu ... [et al.]. contributing editors, D. Hui ... [et al.]. [contributing writers: Burton Beers ... et al.] contributions by H. Bilz ... [et al.]. contributors, J.D. Baxter...[et al.]. contributions by J. C. Boeyens ...[et al.]. principal contributors and editors, Mark C. Paulk ... [et al.]. contributions from Schlosser...[et al.]. edited by H. Chung ; contributing editors, H. D. Fisher ...[et al.]. contributed by E. T. G. Emery ... [et al.].