TY  - BOOK
AU  - Kugler,Hans Gottfried
TI  - Geologie des Sangir-Batangharigebietes (Mittel-Sumatra)
PY  - 1921///
CY  - Mouton
PB  - 's-Gravenhage
KW  - Geology
KW  - Sumatra
KW  - Physical geology
N1  - Tesis Ph.D. - Universitat Basel, 1920
ER  -