TY - RPRT TI - Pollution Reduction Technology Program, Turboprop Engines, Phase 1 AU - Anderson, R. D. AU - Herman, A. S. AU - Tomlinson, J. G. AU - Vaught, J. M. AU - Verdouw, A. J. PY - 1976 UR - https://ntrs.nasa.gov/citations/19760021149 ID - 19760021149 ER -