High-resolution HNC 3–2 SMA observations of Arp 220S. Aalto, D. Wilner, M. Spaans, M. C. Wiedner, K. Sakamoto, J. H. Black and M. CaldasA&A, 493 2 (2009) 481-487DOI: https://doi.org/10.1051/0004-6361:200810394