Papetti R.A, Bjork R.L. <br/><br/>
A Critique of the sharp shock procedure./ 
R.A. Papetti, R.L.Bjork. 
 - California;  Rand Corporation,  1971 
 - 23 pages ;  28 cm 
 - Rand Corporation papers;  P-4556 .
 - Rand Corporation papers;  P-4556 .
<br/><br/><label>ISBN: </label> Hadiah