A Study of the Drift Rate of Type II Radio Bursts at Different Wavelengths Aguilar-Rodriguez, E. ; Gopalswamy, N. ; MacDowall, R. ; Yashiro, S. ; Kaiser, M. I. Abstract Publication: Solar Wind 11/SOHO 16, Connecting Sun and Heliosphere Pub Date: September 2005 Bibcode: 2005ESASP.592..393A