title: Third-order nonlinear optical materials: practical issues and theoretical challenges.
authors.affiliation: Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370, Wroclaw, Poland. Marek.Samoc@pwr.wroc.pl
authors.forename: Marek
authors.initials: M
authors.lastname: Samoć