by D.P.H. Hasselman et al... by D. L. Sawyer et al... by J.C. Ashley et al... by A. F. Montemayor et al... by C.T. Moynihan, et al... by G.D. Peterson, et al... by R. Nielsen, et al... by R.G. Behrens, et al... by T.W. Keranen, et al... by V.R. Kinariwala, et al...