Nicholson, Robert John. <br/><br/>
Economic statistics and economic problems /  
R. J. Nicholson. 
 - London :   McGraw-Hill,   1969. 
 - 399 p. :   il. ;   22 cm. 
 - European economics series .
 - European economics series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Econometría.