Journal of professional activities 
 Proceedings of the American Society of Civil Engineers. Journal of professional activities 

 - Irregular 
<br/><br/> Inicia en 1966 con el vol. 92, no. 2, cierra en 1970 con el vol. 96 
<br/><br/><label>ISSN: </label>0271-4604 
 = Journal of professional activities 
 = J. prof. act. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingenierķa civil.<br/>Ingenierķa civil--Estados Unidos.
<br/><br/><label>LC Class. No.: </label>TA1 
<br/><br/><label>Dewey Class. No.: </label>624.08