TY  - MON
AU  - Walker, George Patrick Leonard
TI  - Two Plinian-Type eruptions in the Azores
PY  - 1971///
CY  - London
PB  - Reprinted from the Journal of the Geological Society
KW  - Vulcanologia
KW  - Açores (Portugal)
KW  - Descrição
KW  - 551.21(469.9)
PP  - London
SP  - 55 p. 
PB  - Reprinted from the Journal of the Geological Society
ER  -