TY - RPRT TI - The automated multi-stage substructuring system for NASTRAN AU - Field, E. I. AU - Herting, D. N. AU - Herendeen, D. L. AU - Hoesly, R. L. PY - 1975 UR - https://ntrs.nasa.gov/citations/19750023447 ID - 19750023447 ER -