00218nam a22000857a 4500 19911 20261006005124.0 151021b xxu||||| |||| 00| 0 eng d AN INTRODUCTION TO AIRCRAFT STRUCTURE ANALYSIS 19911 19911 0 0 ddc 0 0 NU NU 2015-10-21 1 629.13431 MEG 21604 2015-10-23 00:00:00 2015-10-21 2015-10-21 OS