Ballesteros, Porfirio <br/><br/>
Stress analysis and design of our lady of fatima church / P-orfirio Ballesteros 

 - Washington, D.C. : National Academy of Sciences 
 - [5] p. 
 - Publication ; no.1187 .
<br/><br/> "Reprint of Proceedings of the World Conference on Shell St-ructures, october 1-4, 1962, San Francisco, California pres-ented by University of California, International Associatio-n for Shell Structures, Building Research Advisory Board".