TY - RPRT TI - Solid propellant rocket motor internal ballistics performance variation analysis, phase 3 AU - Sforzini, R. H. AU - Foster, W. A., Jr. AU - Murph, J. E. AU - Adams, G. W., Jr. PY - 1977 UR - https://ntrs.nasa.gov/citations/19780011256 ID - 19780011256 ER -