Kho, C. H. <br/><br/>
Bintulu area, central Sarawak, East Malaysia :  explanation of sheet 3/113/13 / 
by C. H. Kho 
 - Kuching :  Government Printing Office,  1968 
 - 83 p. :  ill. 
 - Report;  5 .
<br/><br/> A coloured geological map is in the pocket inside the back cover 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Sarawak