Teoh, Lay Hock <br/><br/>
Ground evaluation through banka drilling  no. QG 2/1978 
Teoh Lay Hock. 
 -  1978 
 - 1v. (various pagings)  ill.  30 cm. 
<br/><br/> On arrival in the laboratory, a heavy mineral sample collected in the field is further concentrated by heavy liquid separation using bromoform. The heavy fraction is weighed. This gives the total weight of the concentrate 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology investigation