@misc{indiciaed8afa2a5014f, title = {Martian Methane From a Cometary Source: A Hypothesis}, author = {Fries, M. and Christou, A. and Archer, D. and Conrad, P. and Cooke, W. and Eigenbrode, J. and ten Kate, I. L. and Matney, M. and Niles, P. and Sykes, M. and Steele, A. and Treiman, A.}, year = {2016}, url = {https://ntrs.nasa.gov/citations/20160003494}, note = {Source identifier: 20160003494} }