Defined nano-structuring with ultrashort pulses in gelatin biopolymer films for tissue-engineeringChandra S.R. Nathala, Albena Daskalova, Irina Bliznakova, Stefan Lueftenegger, Alexandra Zhelyazkova, Seres Enikoe, Thomas Ganz and Wolfgang HusinskyMATEC Web of Conferences, 8 (2013) 03009DOI: https://doi.org/10.1051/matecconf/20130803009