by N L Bor | .
by S D Garett | .
by Graham G Stewart | Inge Russell.
by G E Fussell | .
by David L Whitehead | William S Bowers.
by G A Norton | C S Holding.
by M B Green | .
by H Frehse And H Geissbuhler | .
by T. Korzybski | .
by P.F. Wareing | .
by P.B. Vose | .
by C.R. Rao | .
by Michael J.Nash | .
by Michael H. Briggs | .
by J.A.R. Lockhart | .
by Maurice Buckett | .
by Robert H. Nelson | .
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