A CO survey on a sample of Herschel cold clumpsO. Fehér, M. Juvela, T. Lunttila, J. Montillaud, I. Ristorcelli, S. Zahorecz and L. V. TóthA&A, 606 (2017) A102DOI: https://doi.org/10.1051/0004-6361/201629866