Preece, K., Gertisser, R., Charbonnier, S., Troll, V., Keller, J., Chadwick, J., . . . Herd, R. (2011). Merapi (Java, Indonesia): Anatomy of a killer volcano. Geology Today, 27(2), pp. 57-62. doi:10.1111/j.1365-2451.2011.00786.x

Preece, Katie, R. Gertisser, S.J Charbonnier, V.R Troll, J. Keller, J.P Chadwick, J. Barclay, and R.A Herd. "Merapi (Java, Indonesia): Anatomy of a Killer Volcano." Geology Today 27, no. 2 (2011): 57-62.

Preece, Katie, et al. "Merapi (Java, Indonesia): Anatomy of a Killer Volcano." Geology Today 27.2 (2011): 57-62.