Fl�ugel. <br/><br/>
Fossil Algae / 
Fl�ugel. 
 - [Place of publication not identified]  Springer Berlin Heidelberg,  1977. 
 - 1 online resource 
<br/><br/> Title from content provider. 
<br/><br/><label>ISBN: </label>9783540079743 3540079742 
<br/><br/><label>Dewey Class. No.: </label>561.93  / F752