Beer, Ferdinand P  & Johnston, E Russell <br/><br/>
Mechanics for engineers  statics 

 - 4th ed 
 - McGraw - Hill, New York  1987 
 - xiv,448p figs. 
<br/><br/><label>ISBN: </label>0-07-100141-7 
<br/><br/><label>Dewey Class. No.: </label>620.1 Bee/Joh