G. A. P. Franco

Particle acceleration and magnetic field structure in PKS 2155−304: optical polarimetric observations

C. Boisson, P. M. Chadwick, U. Barres de Almeida, 2010, 1006.4830.

Optical polarimetry toward the Pipe nebula: revealing the importance of the magnetic field

F. O. Alves, J. M. Girart, F. Alves, 2008, 0806.1189.