Weller, Jochen Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Thomas, S. A., Appleby, S. A., & Weller, J. (2011). Modified gravity: the CMB, weak lensing and general parameterisations. Journal of Cosmology and Astroparticle Physics, (3): 036, pp. 1-26. doi:10.1088/1475-7516/2011/03/036.