The composition of the fine ejecta and a few other inorganic factors of Taal volcano - Cox, Alvin Joseph 1875 (Manila Bureau of Print., 1911)
Available in microfilm at ISAIS Section see accession number (MCF-7885)
"Reprinted from the Philippine journal of science ... vol. VI, no. 2, section A, Chemical and geological sciences and the industries, April, 1911."
Keywords: Taal (Volcano)