Wamel, W. A. Van <br/><br/>
Conodant biostratigraphy of the upper Cambrian and lower ordovician of North-Western Oland, South-Eastern Sweden 
W. A. Van Wammel 
 - Utrecht  Schotanus & Jens  1974 
 - 126 p. : ill. ; 25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conodonts