Irala, Narciso <br/><br/>
Mental Efficiency Without Fatigue 

 - No Place  Unknown Publisher  1975 
 - 150p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--general stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy & psychology--Perception, movement, emotions & drivesGeneralia--Psychology
<br/><br/><label>Dewey Class. No.: </label>152.1886  / IRA.N