Drilling and sampling techniques in tin prospecting :  proceedings of a Seminar held at Ipoh, Malaysia on 6 - 8 September, 1979 / 
edited by Abdullah Hasbi bin Haji Hassan and Hubertus Van Wees 
 - Ipoh :  SEATRAD Centre,  1981 
 - 173 p. ;  33 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tin mines and mining--Congresses<br/>Tin--Sampling--Congresses