Greece General Inspection of Mines -- Bulletin of Mining Activities of Greece
Feasibility Study of Alternative Fuels for Automotive Transportation
Aleutian Seismic Program. Seismological Bulletin, May 1970
Aleutian Seismic Program, Seismological Bulletin, October 1970
Bone Changes During Spaceflight: The Path to Risk Reduction
Bone Loss in Astronauts from the Flight Surgeon's Perspective
Advanced Underground Vehicle Power and Control; the Locomotive Research Platform
Space in the 70's - Space Down to Earth
Problems of Increasing the Reliability of Automatic Mining Equipment
Hydraulisches Probenfoerdersystem fuer die Exploration mariner Sande und Mineralseifen
Evaluation of hydraulic fluids for use in advanced supersonic aircraft First semiannual report