%0 Conference Proceedings %T The investigation on the role of nano sized calcium carbonate particles in a MDPE on its resistant against perforation %A , %A Zebarjad, Seyed Mojtaba %A Mazinani, Mohammad %A Modghan, Nafise %J 2nd International Conference on Composites: Characterization, Fabrication and Application (CCFA-2 %D 2010