Logic, mrthodology and philosophy of science. 
edited by B. van Rootselaar and J. F. Staal . 
 - Amsterdam  North-Holland Publications   1968 
 - 3v.  ;23cm. 
 - Studies in logic and the foundations of mathematics - Process of the 3rd International Congress logic methodology and philosophy of science, Amsterdam,1967  .
<br/><br/> vols. 1,2, ;not in the library  
<br/><br/><label>Dewey Class. No.: </label>162.06  / ROO