The Galactic Center Molecular Cloud Survey - II. A lack of dense gas and cloud evolution along Galactic center orbitsJens Kauffmann, Thushara Pillai, Qizhou Zhang, Karl M. Menten, Paul F. Goldsmith, Xing Lu, Andrés E. Guzmán and Anika SchmiedekeA&A, 603 (2017) A90DOI: https://doi.org/10.1051/0004-6361/201628089
