Hell, S. W. Department of NanoBiophotonics, MPI for biophysical chemistry, Max Planck Society;
http://www.sciencedirect.com/science?_ob=MiamiImageURL&_cid=277708&_user=38661&_pii=S0006349512012556&_check=y&_origin=article&_zone=toolbar&_coverDate=29-Jan-2013&view=c&originContentFamily=serial&wchp=dGLbVlS-zSkWz&md5=23947eaf6e6156690e25a8809895eea6&pid=1-s2.0-S0006349512012556-main.pdf (Publisher version)
Hell, S. W. (2013). Nanoscopy with focused light. Biophysical Journal, 104(Suppl. 1), 3A-3A.