@ARTICLE{
author={Vilchez S,Manich AM,Jovancic Petar M,Erra P},
year={2008},
title={Chitosan contribution on wool treatments with enzyme},
journal={CARBOHYDRATE POLYMERS},
volume={71},
number={4},
pages={515-523},
document_type={Article},
} 

@ARTICLE{
author={Vilchez S,Jovancic Petar M,Manich AM,Julia MR,Erra P},
year={2005},
title={Chitosan application on wool before enzymatic treatment},
journal={JOURNAL OF APPLIED POLYMER SCIENCE},
volume={98},
number={5},
pages={1938-1946},
document_type={Article},
} 

@ARTICLE{
author={Jovancic Petar M,Jocic Dragan M,Molina Ricardo,Manich AM,Sauri R,Julia MR,Erra P},
year={2002},
title={A comparative study of two wool enzyme treatments},
journal={INDIAN JOURNAL OF FIBRE & TEXTILE RESEARCH},
volume={27},
number={4},
pages={408-416},
document_type={Article},
}