Becker, E.B., et al <br/><br/>
Finite elements  introduction, Vol.I 
E.B. Becker, et al 
 - Englewood Cliffs  Prentice-Hall  1981 
 - xii  258 
<br/><br/><label>ISBN: </label>0133170578 
<br/><br/><label>Dewey Class. No.: </label>11.03  / BECK