Kieffer, R.E. de <br/><br/>
Manual of Audio-visual techniques 
R.E. de Kieffer and Lee W. Cochran 
 - 6th 
 -  Englewood Cliffs,  1962. 
 - viii, 254p. 
<br/><br/><label>Dewey Class. No.: </label>371.33  / DEM