by Samuel Glasstone | .
by Norman G. Marriott | .
by J. W. Deacon | .
by R.L. Zion | .
by Y.K.Soon | .
by Robert E. Atkinson | .
by Else Regensteiner | .
by A.J.Oakes | .
by W. V. Iterson | .
by John H.Pierce | .
by Robert M. Devlin | .
by Bernerd S. Meyer | Donald B. Anderson.
by R. L. Loftness | .
by Stansby, M. E.
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