Nock, Steven L, ed. Rossi, Peter H, ed. <br/><br/>
Measuring social judgements  the factorial survey approach 

 - Beverly hills  Sage publications, inc.  1982 
 - 255 p.; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Factor analysis<br/>Sampling - statistics<br/>Social surveys - methodology