@article{LaegerHalamaHansteenetal.2013,
  author    = {Kathrin L{\"a}ger and Ralf Halama and Thor Hansteen and Ivan P. Savov and Hugo F. Murcia and Gloria P. Cortes and Dieter Garbe-Sch{\"o}nberg},
  title     = {Crystallization conditions and petrogenesis of the lava dome from the similar to 900 years BP eruption of Cerro Machin Volcano, Colombia},
  journal   = {Journal of South American earth sciences},
  volume    = {48},
  number    = {12},
  pages     = {193 -- 208},
  doi       = {10.1016/j.jsames.2013.09.009},
  year      = {2013},
}