Puranen, Risto <br/><br/>
Airborne electromagnetic surveys of clay areas in Finland 

 - Espoo  Geological Survey of Finland  1999 
 - pp. 159-171  ilus., map. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ARCILLAS<br/>CONDUCTIVIDAD ELECTRICA<br/>CUATERNARIO<br/>PROSPECCION ELECTROMAGNETICA<br/>SALINIDAD
<br/><br/><label>Subjects--Geographic Terms: </label><br/>FINLANDIA