Search U.S. government technical reports digitized or harvested by TRAIL.
An ultrasonic method for determining the elastic symmetry of materials
An ultrasonic method for determining the attenuation symmetry of materials
Stress distribution and pillar design in oil shale retorts
Mechanical behavior of coal measure rocks :elastic-inelastic behavior
Stress determination in rock using the Kaiser effect
Delineation of fractures in igneous rock masses using common offset radar reflection