Infrared Q-branch anomalies on cooling small OCS (pH2)n clusters from 0.38 K to 0.15 KS. Grebenev, B. G. Sartakov, J. P. Toennies and A. F. VilesovEPL, 83 6 (2008) 66008DOI: https://doi.org/10.1209/0295-5075/83/66008