TY  - BOOK
AU  - Kho,C.H.
ED  - Malaysia.
TI  - Bintulu area, central Sarawak, East Malaysia: explanation of sheet 3/113/13 
PY  - 1968///
CY  - Kuching
PB  - Government Printing Office
KW  - Sarawak
N1  - A coloured geological map is in the pocket inside the back cover
ER  -