@article{article, title = {{Constraints on massive star formation: Cygnus OB2 was always an association}}, url = {{http://eprints.whiterose.ac.uk/120299/ }}, year = {{2014}}, month = {{2}}, author = {{Wright NJ and Parker RJ and Goodwin SP and Drake JJ}}, doi = {{10.1093/mnras/stt2232}}, volume = {{438}}, journal = {{Monthly Notices of the Royal Astronomical Society}}, issue = {{1}}, pages = {{639-646}}, note = {{Accessed on 2024/12/22}}}