TY - RPRT TI - Ground Systems Development Environment (GSDE) interface requirements analysis AU - Church, Victor E. AU - Philips, John AU - Hartenstein, Ray AU - Bassman, Mitchell AU - Ruskin, Leslie AU - Perez-Davila, Alfredo PY - 1991 UR - https://ntrs.nasa.gov/citations/19920002484 ID - 19920002484 ER -