Portrait: François-Alphonse Forel, the initiator of the colour... | Download Scientific Diagram
François-Alphonse Forel - Wikipedia
François-Alphonse Forel - Wikipedia
Le sous-marin F.A. Forel - Picture of La Maison de la Riviere, Tolochenaz - Tripadvisor
The Rhone channel walls were photographed onboard the FA Forel... | Download Scientific Diagram
F a forel hi-res stock photography and images - Alamy
Internationale Revue der gesamten Hydrobiologie und Hydrographie. Unter Mitwirkung von Albert, Furst von Monaco, Alexander Agassiz, Carl Chun, F. A. Forel, Viktor Hensen, Richard Hertwig, Sir John Murray, Fritjof Nansen, Otto Pettersson