Sabzehali, Masoud <br/><br/>
Design of filter for graded core material 

 - Roorkee  Deptt. of Civil Engg.University of Roorkee  1989 
 - iv,49p  28cm.  Index Term-Uncontrolled 
<br/><br/><label>Dewey Class. No.: </label>624.072  / SAB