@misc{indiciaed47bf4676687, title = {IGDS/TRAP Interface Program (ITIP). Software User Manual (SUM)}, author = {Jefferys, S. and Johnson, W. and Lewis, R. and Rich, R.}, year = {1981}, url = {https://ntrs.nasa.gov/citations/19810024338}, note = {Source identifier: 19810024338} }