Davidsohn, A. <br/><br/>
Synthetic detergents  A. Davidsohn and B.M. Milwidsky. 

 - 6th ed.. 
 - Bombay  Book Centre  1978 
 - ix, 265 p.: ill. 24 cm. 
<br/><br/><label>Dewey Class. No.: </label>661.185  / D20S