@proceedings{12949, author = {H. Yang and Jeffrey Linsky and K. France}, editor = {Christopher Johns-Krull and Matthew Browning and Andrew West}, title = {HST/COS Spectra of DF Tau and V4046 Sgr: First Detection of Molecular Hydrogen Absorption Against the Lyman alpha Emission Line}, year = {2011}, volume = {448}, pages = {69}, month = {2011-12}, }