A, J. B. (2016). Tephra fall at Tungurahua Volcano (Ecuador) – 1999-2014: An Example of Tephra Accumulation from a Long-lasting Eruptive Cycle. Universidad Nacional Autónoma de México.
Chicago Style (17th ed.) CitationA, Jorge Bustillos. Tephra Fall at Tungurahua Volcano (Ecuador) – 1999-2014: An Example of Tephra Accumulation from a Long-lasting Eruptive Cycle. Universidad Nacional Autónoma de México, 2016.
MLA (9th ed.) CitationA, Jorge Bustillos. Tephra Fall at Tungurahua Volcano (Ecuador) – 1999-2014: An Example of Tephra Accumulation from a Long-lasting Eruptive Cycle. Universidad Nacional Autónoma de México, 2016.
Warning: These citations may not always be 100% accurate.