@misc{indiciaeb12561ae02d0, title = {Hyperion's Dark Material: Rotational Variation}, author = {Jarvis, K. S. and Vilas, F. and Buratti, B. J. and Hicks, M. D. and Gaffey, M. J.}, year = {2002}, url = {https://ntrs.nasa.gov/citations/20020046197}, note = {Source identifier: 20020046197} }