Probing IGM large-scale flows: warps in galaxies at shells of voids M. López-Corredoira, E. Florido, J. Betancort-Rijo, I. Trujillo, C. Carretero, A. Guijarro, E. Battaner and S. Patiri A&A, 488 2 (2008) 511-518 Published online: 09 July 2008 DOI: 10.1051/0004-6361:20078057