Probing IGM large-scale flows: warps in galaxies at shells of voidsM. López-Corredoira, E. Florido, J. Betancort-Rijo, I. Trujillo, C. Carretero, A. Guijarro, E. Battaner and S. PatiriA&A, 488 2 (2008) 511-518DOI: https://doi.org/10.1051/0004-6361:20078057