00373nam 2275185 450000100060000000300230000600500090002900800410003808200080007910000190008726000530010625000060015924500760016575185StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a624 aM.S.El Naschie bمطابع جامعة الملك سعود c1989 a2 astress, stability and choas instructural engineering an energy approach