Niordson, Frithiof I. <br/><br/>
Introduction to shell theory :  Text-book / 
Frithiof I. Niordson. 
 - [Lyngby] :  Technical University of Denmark,  1980. 
 - v, 125 p. :  ill. 
<br/><br/>Includes bibliogr. references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shells (Engineering)--Text-books