M. M. Hegaze. "Geometrical Nonlinearity and Stability Analyses of Stiffened and Unstiffened Laminated Composite Plates Using High Order Element". International Conference on Aerospace Sciences and Aviation Technology, 14, AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT - 14 – May 24 - 26, 2011, 2011, 1-14. doi: 10.21608/asat.2011.23292