TY - RPRT TI - Cross-Section Parameterizations for Pion and Nucleon Production From Negative Pion-Proton Collisions AU - Norbury, John W. AU - Blattnig, Steve R. AU - Norman, Ryan AU - Tripathi, R. K. PY - 2002 UR - https://ntrs.nasa.gov/citations/20030002525 ID - 20030002525 ER -