Oxygen barrier properties of Al2O3- and TiO2-coated LDPE filmsLange, Sven; Arroval, Tõnis; Saar, Rando; Kink, Ilmar; Aarik, Jaan; Krumme, AndresPolymer-plastics technology and engineering2015 / p. 301-304 : ill http://dx.doi.org/10.1080/03602559.2014.977426