TY  - BOOK
ED  - Malaya [Federation].
TI  - Annual report
PY  - 1961///
CY  - Ipoh
PB  - Survey Department, Federation of Malaya
KW  - British Territories in Borneo. Geological Survey Department
KW  - Periodicals
N1  - Kepunyaan perpustakaan : 1960, 1962
ER  -