by R.I.Zalewski | .
by Wilhelm Prodinger | .
by Victor Sadras | .
by Fernando E.Vega | .
by Clare Robinson | .
by J. Hodgson | .
by R.D. King | .
by V.E. Baikow | .
by Davidson, B R | .
by H.W. Houghton | .
by R. K. Robinson | .
by J. B. Davis | .
by Jiri Holas | .
by Alan G.Walton | .
by Colin Paerker | .
by W. Palz | .
by U. Satyananarayana | .
by J. A. Roels | .
by J.R.Piggott | .
by Ch. Mercier | .
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