http://es.wikipedia.org/wiki/Jan_Fethke

Fethke, J.

Fethke, Johannes

Forge, Jean

Fethge, Jan

Fethke, Jan

Batalla más allá del sol, 2011---créditos iniciales (Destino espacial : Venus = First spaceship on Venus = Der schweigende Stern / written by James Fethke)

WWW IMDB, 04-10-2011---(Jan Fethke; b. 1903 in Oppeln, Silesia, Germany [now Opole, Opolskie, Poland], d. 1980 in Berlin, Germany; alternate names, Jan Fethge, J. Fethke, Johannes Fethke, Jean Forge; writer, director)