Evaluation of hydraulic fluids for use in advanced supersonic aircraft First semiannual report
Problems of Increasing the Reliability of Automatic Mining Equipment
An Approach to the Remote Detection of Earth Resources in Sub-Arid Lands
Fourth Annual Earth Resources Program Review. Volume 3 US Geological Survey Programs
Research in Advanced Power Systems for Mining Health and Safety
Mineral Resources, Geological Structure and Landform Surveys
State of the Art of Underground Coal Mine Tracked Vehicle Brake Systems. Revised Report
Feasibility Study of Alternative Fuels for Automotive Transportation