Relationship between multiple type II solar radio bursts and CME observed by STEREO/SECCHI K.-S. Cho, S.-C. Bong, Y.-J. Moon, A. Shanmugaraju, R.-Y. Kwon and Y. D. Park A&A, 530 (2011) A16 Published online: 28 April 2011 DOI: 10.1051/0004-6361/201015578