S Senathi Rajah & H K Lum <br/><br/>
Magnetometer investigation of aeromagnetic anomaly 615 Semiling area Kedah RAK F1 

 - MX (M) 1 1976 
 - Ipoh Perak  Jabatan Penyiasatan Kajibumi Malaysia  1976 
 - ill:39p. 29.8 cm