by O.G. Sutton | .
by Herbert Riehl | .
by Glenn T.Trewartha | .
by V.R. Dryansagar | .
by John A.Parsons | .
by Lester W. Sharp | .
by Arthur Bronwell | .
by Marjorie P. Behringer | .
by Philip H.Mitchell | .
by Edmund W.Sinnott | .
by Edmund W. Sinnott | .
by Fluid Dynamics | .
by E.M.Hetherington | .
by Sidney A. Manning | .
by Jum C.Nunnally | .
by E. Mavis Hetherington | .
by Kenneth E. F. Watt | .
by Robert Tannenbaum | .
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