Growth efficiency of dust aggregates through collisions with high mass ratios Koji Wada, Hidekazu Tanaka, Satoshi Okuzumi, Hiroshi Kobayashi, Toru Suyama, Hiroshi Kimura and Tetsuo Yamamoto A&A, 559 (2013) A62 Published online: 14 November 2013 DOI: 10.1051/0004-6361/201322259