Citation:Cleeves LI, Bergin EA, Öberg KI, Andrews S, Wilner D, Loomis R. Variable H$^13$CO$^+$ Emission in the IM Lup Disk: X-Ray Driven Time-dependent Chemistry?. \apjl. 2017;843 (1) :L3.Download CitationDOI BibTex Tagged XML Date Published:jul DOI