P. de Vanssay de Blavous Generalization of the Conformal Conic Projection and the Double Circular Projection of the Sphere PDF
Insertion on Charts of Echo Soundings and the Calibration of Echo Sounding Machines (Replies to Circular Letter 3-H of 1933) PDF
P. de Vanssay de Blavous A Study of the Circulation of the Western North Atlantic by C. O'D. Iselin, Cambridge, Massachusetts PDF
P. de Vanssay de Blavous Einführung in die Luft und Erdbildmessung (Introduction to aerial and terrestrial photogrammetry) by K. Schwidefsky PDF
H. B. Ricerche sul Regime dei Litorali nel Mediterraneo (Investigation of the formation of the Mediterranean Shoreline by Eng. A. D'Arrigo PDF