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@article{Oka2012a,  Author = {{Oka}, T. and {Onodera}, Y. and {Nagai}, M. and {Tanaka}, K. and {Matsumura}, S. and {Kamegai}, K.},  Journal = {\apjs},  Month = aug,  Pages = {14},  Title = {{ASTE CO J = 3-2 Survey of the Galactic Center}},  Volume = 201,  Year = 2012}  @article{Tanaka2011a,  Author = {{Tanaka}, K. and {Oka}, T. and {Matsumura}, S. and {Nagai}, M. and {Kamegai}, K.},  Journal = {\apjl},  Month = dec,  Pages = {L39},  Title = {{High Atomic Carbon Abundance in Molecular Clouds in the Galactic Center Region}},  Volume = 743,  Year = 2011}  @article{Tanaka2015a,  Author = {{Tanaka}, K. and {Nagai}, M. and {Kamegai}, K. and {Oka}, T.},  Journal = {ArXiv e-prints},  Month = apr,  Title = {{CO-0.30-0.07: A Peculiar Molecular Clump with an Extremely Broad Velocity Width}},  Year = 2015}  @article{Tanaka2014a,  Author = {{Tanaka}, Kunihiko and {Oka}, Tomoharu and {Matsumura}, Shinji and {Nagai}, Makoto and {Kamegai}, Kazuhisa},  Month = {Feb},  Title = {High Velocity Compact Clouds in the Sagittarius C Region},  Year = {2014}}  @article{Kruijssen2013a,  Author = {{Kruijssen}, J.~M.~D. and {Longmore}, S.~N.},  Journal = {\mnras},