423 



CONTENTS 



ABSTRACT 



EXTERNAL STATIC LOADING 1 



1. Introduction and General Theory 1 



2. Tables and Graphs of the Critical f ackling Pressure and 



the Number of Lobes as a Function of the Shell Parameters 7 



APPENDIX. A - Definitions of the Operators D., and B-,,, and the 



Matrix Elements A ., and C^^P 16 



ik 11 



