Contributors: B. Adkins [and others] Contributors: P. D. Atkinson [and others] Contributors: L. H. Adams [and others] Contributors: C. M. Drew [and others] Contributors: R.W. Flux [and others] contributors: J. Brozek [and others] Contributors: L. Angervall [and others. Contributors: L. S. Allard [and others] Contributors: T.E. Ivall [and others] Contributors: David E. Davis [and others]