A study of CME and type II shock kinematics based on coronal density measurementK.-S. Cho, J. Lee, Y.-J. Moon, M. Dryer, S.-C. Bong, Y.-H. Kim and Y. D. ParkA&A, 461 3 (2007) 1121-1125DOI: https://doi.org/10.1051/0004-6361:20064920