Tihhonova, O., Courbin, F., Harvey, D., Hilbert, S., Rusu, C. E., Fassnacht, C. D., Bonvin, V., Marshall, P. J., Meylan, G., Sluse, D., Suyu, S. H., Treu, T., & Wong, K. C. (2018). H0LiCOW VIII. - A weak-lensing measurement of the external convergence in the field of the lensed quasar HE 0435−1223. Monthly Notices of the Royal Astronomical Society, 477(4), 5657-5669. doi:10.1093/mnras/sty1040.