Petrographic variations in the lavas of the 1968 eruption of Taal volcano - Santos, Teodoro M.; Listanco, Eddie L. (Quezon City Department of Geology and Geography, University of the Philippines, 1980)
Reprinted from: Natural and Applied Science Bulletin, vol. 32, nos. 1-4, January-December 1980.
Keywords: Taal (Volcano).