Strobel, Darrell F. (2010). “Molecular hydrogen in Titan's atmosphere: Implications of the measured tropospheric and thermospheric mole fractions”. Icarus208 (2): 878. Bibcode: 2010Icar..208..878S. doi:10.1016/j.icarus.2010.03.003.
Strobel, Darrell F. (2010). “Molecular hydrogen in Titan's atmosphere: Implications of the measured tropospheric and thermospheric mole fractions”. Icarus208 (2): 878. Bibcode: 2010Icar..208..878S. doi:10.1016/j.icarus.2010.03.003.