Technicon quality. 

 - New York :    Technicon instruments,    1968- 
 - v. :    ill. ;    27 cm. 
 - Quarterly 
 - Vol. 1, no. 1 (1968)- 
<br/><br/>  Latest issue consulted: Vol. 4, no. 4 (1971). 
<br/><br/><label>Dewey Class. No.: </label>505