levinsen g.m . r <br/><br/>
Morphological  and systematic studies on the  cheilostomatous bryozoa 

 - bagge  1909   copenhagen                                                                                                                                                                                                                          
 - 431P. ;    24  cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>2  / B23