@article{KutzinskiEtte2012,
  author    = {Kutzinski, Vera M. and Ette, Ottmar},
  title     = {The art of science: Alexander von Humboldt's views of the cultures of the world},
  isbn      = {0-226-86506-1},
  year      = {2012},
  language  = {en}
}
@article{KutzinskiEtte2011,
  author    = {Kutzinski, Vera M. and Ette, Ottmar},
  title     = {Inventories and Inventions: Alexander von Humboldt's Cuban Landscapes},
  isbn      = {978-0-226-46567-8},
  year      = {2011},
  language  = {en}
}