A detailed course of qualitative chemical analysis of inorganic substances, with explanatory notes Q Science
Determination of the geopotential from satellite-to-satellite tracking data / B.C. Douglas, C.C. Goad, and F.F. Morrison Q Science
The determination of hydrogen ions; an elementary treatise on the hydrogen electrode indicator and supplementary methods, with an indexed bibliography on applications Q Science
Determination of the solar parallax from photographs of Eros made with the Crossley reflector of the Lick observatory, University of California Q Science
Determinative mineralogy, with tables for the determination of minerals by means of their chemical and physical characters Q Science