Threshold onset of Marangoni convection in narrow channels A. Mizev, M. Denisova, K. Kostarev, R. Birikh and A. Viviani Eur. Phys. J. Special Topics, 192 (2011) 163-173 Published online: 09 March 2011 DOI: 10.1140/epjst/e2011-01371-9