W.s. tyler <br/><br/>
Testing sieves and their uses  Tyler, W.s. 

 - Cleveland:  The world bank washington,  c1964. 
 - 48 p. :  ill. ;  32 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE--Testing.
<br/><br/><label>Dewey Class. No.: </label>681.2  / TES