Additional information on the author Richard Foster.

Additional information on the author Richard Charteris.

Additional information on the author Renato Rabaiotti.

Additional information on the author Renae Satterley.

Additional information on the author Reimer Eck.

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Additional information on the author Raymond Lister.

Additional information on the author R.W. Ketton-Cremer.

Additional information on the author R.J. Malevski.

Additional information on the author R.J. Hayes.