Borges, J. Ferry. <br/><br/>
Statistical estimate of seismic loading / J. Ferry Borges. 

 - Lisboa, Portugal : Laboratorio Nacional de Engenharia Civil 
 - [14] p. 
 - Report; No.87 / Laboratorio Nacional de Engenharia Civil .
<br/><br/> Reprinted from the "Preliminary Publication" of the V Congr-es of the International Association for Bridge and Structur-al Engineering