edit by Beverly B.Zimmerman...[et al edit by Beverly B.Zimmerman...[et al] Edited by Bert M.Zuckerman...[et al edit by Herbert G.Heneman...[et al edit by Peter B.Norton...[et al edit by Belverd E.Needles...[et al edit by Kerry D.Carson...[et al edit by Peter H.Raven...[et al edited by Robert A.Meersman...[et al edit by Jura D.Olivera...[et al