Disentangling conformational states of macromolecules in 3D-EM through likelihood optimizationSjors H. W. Scheres, J.M. Carazo, P. P. B. Eggermont et al.|Nature Methods|2006Cited by 431
Maximum-likelihood Multi-reference Refinement for Electron Microscopy ImagesSjors H. W. Scheres, J.M. Carazo, Mikel Valle et al.|Journal of Molecular Biology|2005Cited by 262