@misc{indiciaead1e4118b4a1, title = {The GSFC Advanced Compton Telescope (ACT)}, author = {Hartman, R. and Fichtel, C. and Kniffen, D. and Trombka, J. and Stacy, G.}, year = {1983}, url = {https://ntrs.nasa.gov/citations/19850040799}, note = {Source identifier: 19850040799} }