-
1by Senckenbergische Naturforschende GesellschaftVolume Holdings :
Kramer 1919-
BU Sciences : vol. 50 (1969) - vol. 64 (1983), Cote : PD 78
Journal -
2by Spiess Otto, Bernoulli Johann, Bernoulli Jacques, L'Hospital Guillaume-François-Antoine de
Birkhäuser verlag 1955Book -
3by Bernoulli Johann, Varignon Pierre, Costabel Pierre, Peiffer Jeanne, Speiser David, Fleckenstein Joachim Otto
Birkhäuser 1988Book -
4Commission on Geography of Swiss Academy of Sciences and the Geographical-Ethnographical Society of Zurich 1980Book