TY - RPRT TI - Techniques for deriving tissue structure from multiple projection dual-energy x-ray absorptiometry AU - Charles, Jr., Harry K. AU - Beck, Thomas J. AU - Feldmesser, Howard S. AU - Magee, Thomas C. PY - 2004 UR - https://ntrs.nasa.gov/citations/20080005145 ID - 20080005145 ER -