Lahti, Seppo I. <br/><br/>
Orbicular rocks in Finland / 
Seppo I. Lahti ; with contributions by Paula Raivio and Ilkka Laitakari. 
 - Espoo, Finland:   Geological Survey of Finland,   2005.  
 - 177 p. :  ill. (chiefly col.), maps (chiefly col.) ;  29 cm. 
<br/><br/>Includes bibliographical references (p. 176-177). 
<br/><br/><label>ISBN: </label>9789516909113 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Finland<br/>Rocks, Igneous--Finland<br/>Geology, Stratigraphic--Proterozoic<br/>Spherules (Geology)--Finland
<br/><br/><label>Dewey Class. No.: </label>554.897