Sejarah mulajadi Danau Toba
By: oleh Hillman Pudjowalujo.
Publisher: Kantor Wilayah Departemen Pertambangan dan Energi, Propinsi Sumatera Utara
Published: 1989
Place of publication: [Medan]
Language: ind
Format: Microform
Number of pages: 11
Notes: Microfiche. Jakarta : Library of Congress Office ; Washington, D.C. : Library of Congress Photoduplication Service, 1989. 1 microfiche ; 11 x 15 cm.
Geological history of Toba Lake, Sumatera Utara.
Master microform held by: DLC.