TY - RPRT TI - Operations planning simulation model extension study. Volume 2: Life sciences shuttle laboratory LS-09-S Sortie payload AU - Marks, D. A. AU - Gendiellee, R. E. AU - Kelly, T. M. AU - Giovannello, M. A. PY - 1975 UR - https://ntrs.nasa.gov/citations/19750012361 ID - 19750012361 ER -