Iranian Journal of Polymer Science and Technology 10163255 3 2 1990 08 23 The Presence of Defects in Composites The Presence of Defects in Composites 56 10.22063/jipst.1990.56 FA H. Sabbaghi Journal Article 1970 01 01 http://jips.ippi.ac.ir/article_56_6b2b4b4e5bd794b9be2935398cb460bc.pdf