%0 Journal Article %T Characterization of surface roughness of unworn hydrogel contact lenses at a nanometric scale using methods of modern metrology %A Ţălu, Ştefan %J Polymer Engineering & Science %V 53 %N 10 %P 2141-2150 %@ 0032-3888 %D 2013-10-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve