Harre R <br/><br/>
Principles of scientific thinking 
Harre R 
 - London  Macmillan U. K.          1970 
 - vii,324p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Philosophy<br/>Logic-Scientific Method
<br/><br/><label>Dewey Class. No.: </label>R17, L0