TY - RPRT TI - Processing and Properties of HfB2 Based Materials AU - Johnson, Sylvia M. AU - Beckman, Sarah AU - Irby, Edward AU - Ellerby, Don AU - Gasch, Matthew AU - Gusman, Michael PY - 2003 UR - https://ntrs.nasa.gov/citations/20040045246 ID - 20040045246 ER -