Colloidal interactions in two-dimensional nematics M. Tasinkevych, N.M. Silvestre, P. Patrício and M.M. Telo da Gama Eur. Phys. J. E, 9 4 (2002) 341-347 Published online: 21 January 2003 DOI: 10.1140/epje/i2002-10087-y