Forward-scattering Hanle effect in the solar Ca i 4227 Å lineH. Frisch, L.S. Anusha, M. Bianda, R. Holzreuter, K.N. Nagendra, R. Ramelli, M. Sampoorna, H.N. Smitha and J.O. StenfloEAS Publications Series, 55 (2012) 59-63DOI: https://doi.org/10.1051/eas/1255007