Backlund,Helge <br/><br/>
Swedish Enchytraedia II 

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 - Lund-FIN     
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 - Lunds Universitets Arsskrift  N.F.   v.43(8) .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Enchytraedia--Oligoquetos--Zoologia----<br/>Zoologia