Klein, Erwin, <br/><br/>
Economic theories and their relational structures :  a model-theoretic characterization / 
Erwin Klein. 
 - London :  Macmillan Press ;  1998. 
 - xiii, 246 p. ; 
<br/><br/><label>ISBN: </label>0333687922 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330.1  / Ec