C2H N = 1 − 0 and N2H+ J = 1 − 0 observations of Planck Galactic cold clumpsX.-C. Liu, Y. Wu, C. Zhang, T. Liu, J. Yuan, S.-L. Qin, B.-G. Ju and L.-X. LiA&A, 622 (2019) A32DOI: https://doi.org/10.1051/0004-6361/201834411
