Econometrics in a formal science of ecnomies: Theory and the measurement of economic relations/ 
Stigum, Bernt P. 
 - USA:  MIT,  2015. 
 - 372 p 
<br/><br/><label>ISBN: </label>9780262028585 
<br/><br/><label>Dewey Class. No.: </label>330.015195  / STI/E