Courbe representativ de la variation des limites de la calotte polaire...

Curve representing the variation of the limits of the polar cap

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Authors

FG Fournier, Georges M.

FV Fournier, Valentin

Reference	Flammarion, C. 1913 Observations des Surfaces Planetaires. L'Astronomie, vol. 27, pp.377-383, also reprinted in Bulletin de la Societé astronomique de France 27, p 382; 34 (1920) p 204
Base theme	Change detection
Year of manuscript/observation	1907-1912
Format	figure
Main theme	polar cap
Projection	Polar