@misc{indiciaef513a9b8596f, title = {Aura Science and Validation}, author = {Hilsenrath, E. and Schoeberl, M. and Douglass, A. and Anderson, J. and Bhartia, P. K.}, year = {2002}, url = {https://ntrs.nasa.gov/citations/20020081332}, note = {Source identifier: 20020081332} }