Evolutionary status of dense cores in the NGC 1333 IRAS 4 star-forming regionE. Koumpia, F. F. S. van der Tak, W. Kwon, J. J. Tobin, G. A. Fuller and R. PlumeA&A, 595 (2016) A51DOI: https://doi.org/10.1051/0004-6361/201528042