Work, E. C. <br/><br/>
A programmed introduction to statics 

 - 4th ed. 
 - USA  Bookcrafters, inc.  1984 
 - 121p.  Hbk. 
<br/><br/><label>ISBN: </label>0916572021 
<br/><br/><label>LC Class. No.: </label>TA351 .W67 1984