Argosino, M. B. (1974). A detailed investigation of an acidic water flowing from the north slope of Maaslom Heights [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-referens (17:e uppl.)Argosino, Maria Belen. A Detailed Investigation of an Acidic Water Flowing from the North Slope of Maaslom Heights [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
MLA-referens (9:e uppl.)Argosino, Maria Belen. A Detailed Investigation of an Acidic Water Flowing from the North Slope of Maaslom Heights [microform]. Photoduplication Service, University of the Philippines Library, 1974.
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