Deutsche national bibliography allegeme. 

 - Berlin :  Staatsbibliothek. 
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 - 
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<br/><br/><label>ISSN: </label>0012-0545 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliography -- Germany.--Bibliography -- Germany.
<br/><br/><label>LC Class. No.: </label>Z2250.D4