TY - RPRT TI - Development of cost-optimized insulation system for use in large solid rocket motors. Volume 4, task 4 - 260 in. dia motor insulation system design and process plan Final report AU - Nachbar, D. L. AU - Simmons, B. A. PY - 1969 UR - https://ntrs.nasa.gov/citations/19690026619 ID - 19690026619 ER -