G. W. Richter
Tatjana Antic
Nasser Javadpour
Michael Carducci
John A. Libertino
Eberhard Lohr
Fritz Hölscher
Albert Lissard
Alfred Hirsch
Carl Hartwig
Felix Holst
Friedrich Peuckert
Ernst Steiner
B. Grohé
Ronald M. Bukowski
International Symposium on Kidney Tumors (1st 1981 Paris, France)
C. Bollack
International Symposium on Renal Neoplasia (1965 Brasília)
Ali Guermazi
Ernst Schütz