Gaya APA
Ijen (Indonesia) Small Explosion in late July 2002 Accompanies Increased Seismicity ; ash Emissions. ().
Washington:
Smithsonian National Museum of Natural History.
Gaya MLA
Ijen (Indonesia) Small Explosion in late July 2002 Accompanies Increased Seismicity ; ash Emissions.
.
Washington:
Smithsonian National Museum of Natural History,
.
.