Natur / 
[Mitarbeiter : Gustav Beyrodt ... et al.]. 
 - 12. Aufl. 
 - Leipzig :  Bibliographisches Institut,  [1958]. 
 - 758 p. :  [26] l. ill. (some col.), maps. 
 - Kleine Enzyklopadie .
<br/><br/><label>ISBN: </label>3323001109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Encyclopedias.<br/>Natural history--Encyclopedias.