TY - RPRT TI - The NIST impact test facility AU - Shenton, Harry W III AU - Anderson, Erik D AU - Gross, John L AU - Marshall, Richard D PY - 1992 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 4896 DO - 10.6028/NIST.IR.4896 ER -