Allgemeine Statistik / 
red.  prof. dr. Arno Donda, prof. dr. Eva Herrde, prof. dr. Otfried Kuhn, ... 
 - Berlin :  Verlag die Wirtschaft Berlin,  1967 
 - 532 p.    tab. ;  22 cm. 
<br/><br/> Index p. 527 
<br/><br/>Bibliogr. p. 521 
<br/><br/><label>Subjects--Chronological Terms: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>DE-Matematică
<br/><br/><label>Subjects--Geographic Terms: </label>
<br/><br/><label>Index Terms--Genre/Form: </label><br/>manual
<br/><br/><label>Universal Decimal Class. No.: </label>311