Lawshe, C. H. <br/><br/>
Principles of personnel testing 
[by] C. H. Lawshe [and] Michael J. Balma. 
 - 2d ed. 
 - New York  McGraw-Hill  [1966]. 
 - viii, 427 p.  ill. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>66015181 //r88 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Employment tests<br/>Ability--Testing.