Ditapis dengan
The Explosive Activities Of Mt. Raung From March Until May 1975
In january thin white smoke was enmitted with pressure. A medium scale discharge of smoke until 75 meters above the craterrim took place once and was repeated 4 x during february.
- Edisi
- -
- ISBN/ISSN
- -
- Deskripsi Fisik
- 1 hlm.
- Judul Seri
- -
- No. Panggil
- PVG E.75-11
The Eruptions of Mt. Lokon During 1975
During the months of January and February the activities which start ed since March 1974 still continued. A minor ash eruptions took place once. Thick bluish white ash column was discharged with moderated pressure until some 500 meters above the orator
- Edisi
- -
- ISBN/ISSN
- -
- Deskripsi Fisik
- 7hlm; gbr
- Judul Seri
- -
- No. Panggil
- PVG S.75-1
The Eruptions of Mt. Api Siau During 1975
In January ash eruptions accompanied by strong detanations took place 3x, viz. on the 15th, 21.00 loc time on the 17th 06.05 loc time and on the 21st 17.55 loc time. Rumblings were often heard, sometimes lasting for several hours. Glares could be observed at night. The mechanical "Spindler & Hoyer" observatory seismograph with horizontal component recorded 30 earthquakes incl 16 felt.
- Edisi
- -
- ISBN/ISSN
- -
- Deskripsi Fisik
- 4hlm
- Judul Seri
- -
- No. Panggil
- PVG S.75-2
Volcanic Activities in Indonesia During 1974
- Edisi
- May 1975
- ISBN/ISSN
- -
- Deskripsi Fisik
- 17 hlm.; 29,5 cm
- Judul Seri
- -
- No. Panggil
- BPT Laporan HAD 1974
- Edisi
- May 1975
- ISBN/ISSN
- -
- Deskripsi Fisik
- 17 hlm.; 29,5 cm
- Judul Seri
- -
- No. Panggil
- BPT Laporan HAD 1974
Volcanic Activities in Indonesia during 1973
- Edisi
- Mei 1975
- ISBN/ISSN
- -
- Deskripsi Fisik
- 14 hlm.; 30 cm
- Judul Seri
- -
- No. Panggil
- BPT Laporan HAD 1975
- Edisi
- Mei 1975
- ISBN/ISSN
- -
- Deskripsi Fisik
- 14 hlm.; 30 cm
- Judul Seri
- -
- No. Panggil
- BPT Laporan HAD 1975
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah