special publication Astronomic determinations by United States Coast and Geodetic Survey and other organizations / by Sarah Beall publications of the egyptian general staff Provinces of the Equator : summary of letters and reports of his excellency the governor-general / Egyptian General Staff Global aspect of the astronomical correction for levelling of high precision when considering the definition of levelling datum / Ove Simonsen Astronomie élémentaire / par A. Quételet Tables portatives de logarithmes, contenant les logarithmes des nombres, depuis 1 jusqu'à 108000 : les logarithmes des sinus et tangentes, de seconde en seconde pour …
