Volcanic ash influence and characterization of soils on the eastern plain of the Barisan Range between Sitiung Kota Baru and Bangko, Sumatra
Subagjo, Hardjosubroto
Volcanic ash influence and characterization of soils on the eastern plain of the Barisan Range between Sitiung Kota Baru and Bangko, Sumatra [microform] / Hardjosubroto Subagjo - Ann Arbor, Mich. : University Microfilms International , 1989 - 4 microfiches ; 11 x 15 cm.
Thesis (Ph.D.) - North Carolina State University, 1988
Volcanic ash, tuff, etc.--Indonesia
Soils--Indonesia
Volcanic ash influence and characterization of soils on the eastern plain of the Barisan Range between Sitiung Kota Baru and Bangko, Sumatra [microform] / Hardjosubroto Subagjo - Ann Arbor, Mich. : University Microfilms International , 1989 - 4 microfiches ; 11 x 15 cm.
Thesis (Ph.D.) - North Carolina State University, 1988
Volcanic ash, tuff, etc.--Indonesia
Soils--Indonesia