Synthese: Inter. Quar. For Logical And Psychological Study Of Foundations Of Sci. 

 - Dordrecht(Holland)  D. Reidel Pub. Comp.  1962 
 - 344 
 - Nos.1-4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>AOR1m5962:N49
<br/><br/><label>Dewey Class. No.: </label>AOR1m5962:N49  / H9.13