1. Impact strength and toughness of fiber composite materials;Broutman;Air Force Office of Scientific Research, AFOSR TR-72-2289,1972
2. Characterizing strength of unidirectional composites;Ishai;Composite Materials: Testing and Design, ASTM STP 460,1969
3. Analysis of the flexure test for laminated composite materials;Whitney,1973
4. Primer on composite materials: analysis;Ashton,1969