TY  - BOOK
AU  - Davies,R.A.
ED  - Geological Survey of Papua New Guinea.
TI  - Ritter Island -- 1972 activity
T2  - Note on investigation
PY  - 1973///
CY  - [Port Moresby]
PB  - Dept. of Lands, Surveys & Mines
KW  - Volcanoes
KW  - Papua New Guinea
KW  - Ritter Island
ER  -