TY - RPRT TI - Galactic cosmic ray transport methods: past, present, and future. AU - J W Wilson AU - L W Townsend AU - J L Shinn AU - F A Cucinotta AU - R C Costen AU - F F Badavi AU - S L Lamkin PY - 1994 DO - 10.1016/0273-1177(94)90549-5 UR - https://pubmed.ncbi.nlm.nih.gov/11538035/ ID - 11538035 ER -