TY - RPRT TI - Software Engineering Laboratory (SEL). Data base organization and user's guide, revision 1 AU - Lo, P. S. AU - Wyckoff, D. AU - Page, J. AU - Mcgarry, F. E. PY - 1983 UR - https://ntrs.nasa.gov/citations/19830024098 ID - 19830024098 ER -