Scripta geologica. 

 - 126 p.  34 plates. 
 - Scripta geologica  146 .
<br/><br/><<A new late ordovician erratic anthaspidellid sponge (Porifera) originating from Baltica Miocene bryozoa from East Kalimantan, Indonesia. Part I: Cyclostomata and 'Anascan' cheilostomata 
<br/><br/><label>ISSN: </label>0375-7587