TY - BOOK AU - Raffo, Peter L. TI - INFLUENCE OF BORON ADDITIONS ON PHYSICAL AND MECHANICAL PROPERTIES OF ARC-MELTED TUNGSTEN AND TUNGSTEN-1 PERCENT TANTALUM ALLOY [NASA TN D-3247] PY - 1966/// CY - Washington, D. C. PB - National Aeronautics and Space Administration N1 - Bound With NASA TN D 3241-50 ER -