Dukalska, L. , Muizniece-Brasava, S. , Murniece, I. , Dabina-Bicka, I. , Kozlinskis, E. , Sarvi, S.. "Influence of PLA Film Packaging on the Shelf Life of Soft Cheese Kleo". World Academy of Science, Engineering and Technology, Open Science Index 56, International Journal of Nutrition and Food Engineering (2011), 5(8), 441 - 447.