%0 Journal Article %T Generalised triangle groups of type (3,3,2) %A James Howie %J Mathematics %D 2010 %I arXiv %X If G is a group with a presentation of the form < x,y|x^3=y^3=W(x,y)^2=1 >, then either G is virtually soluble or G contains a free subgroup of rank 2. This provides additional evidence in favour of a conjecture of Rosenberger. %U http://arxiv.org/abs/1012.2763v1