Hudson, Reggie L.; Loeffler, Mark J. (31 July 2013). "Ketene Formation in Interstellar Ices: A Laboratory Study". The Astrophysical Journal773 (2): 109. doi:10.1088/0004-637x/773/2/109. Bibcode: 2013ApJ...773..109H.
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Hudson, Reggie L.; Loeffler, Mark J. (31 July 2013). "Ketene Formation in Interstellar Ices: A Laboratory Study". The Astrophysical Journal773 (2): 109. doi:10.1088/0004-637x/773/2/109. Bibcode: 2013ApJ...773..109H.