EXTRA-sensory perception after sixty years. :  A critical appraisal of the research in extra sensory perception 

 - Boston :  Bruce Humphries Publishers,  1940 
 - 2.v.;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Parapsicología
<br/><br/><label>Universal Decimal Class. No.: </label>159.96