@misc{indiciaeb81e3342baa7, title = {Solid methane on Triton and Pluto - 3- to 4-micron spectrophotometry}, author = {Spencer, John R. and Buie, Marc W. and Bjoraker, Gordon L.}, year = {1990}, url = {https://ntrs.nasa.gov/citations/19910036015}, note = {Source identifier: 19910036015} }