@misc{indiciaeef4e64e93985, title = {High-strength tungsten alloy with improved ductility}, author = {Klopp, W. D. and Raffo, P. L. and Rubenstein, L. S. and Witzke, W. R.}, year = {1967}, url = {https://ntrs.nasa.gov/citations/19670000340}, note = {Source identifier: 19670000340} }