@article{zhang2012multiscale, title = "Multiscale natural moves refine macromolecules using single-particle electron microscopy projection images", author = "Zhang, Junjie and Minary, Peter and Levitt, Michael", year = "2012", journal = "Proceedings of the National Academy of Sciences", number = "25", pages = "9845--9850", publisher = "National Acad Sciences", volume = "109", }