G. Seifert ...[et al.]. [R. Schubert ... [et al.] R. C. Holt ... [et al.]. B. A. Bolt ... [et al.]. D. Caurant ... [et al.]. P. Branquart ... [et al.]. C. J. Savant ...[et al.]. Lewis Wolpert ... [et al.]. by V. Stannett ...[et al.]. J. Van Der Drift ...[et al.].