@article{033-000-01061-3, recid = {179275}, title = {The Gamma-Ray Observatory.}, publisher = {National Aeronautics and Space Administration :}, address = {[Washington, D.C.?] :}, number = {033-000-01061-3}, pages = {39 p. :}, year = {1990}, note = {Cover title.}, url = {http://library.usi.edu/record/179275}, }