Electrical, Seismic and Magnetic Surveys Perak, Selangor, Kedah  Text 

 - 1st. ed 
 - Ipoh  Geological Servey of Malaya  1954 
 - 1-70p  ill  28 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geophysic survey--Perak, Selangor, Kedah--West Malaysia