@book{13,
  keywords = {terraces, furrow irrigation, hill farming},
  author = {Carlos de la Torre Espinoza Torre and Manuel Burga and John Earls},
  title = {Andenes y camellones en el Perú Andino: Historia, presente y futuro},
  year = {1986},
  month = {01/1986},
  publisher = {Ministerio de la Presidencia, Consejo Nacional de Ciencia y Tecnología},
  address = {[Lima, Peru]},
  url = {http://books.google.com/books?id=BHpgAAAAMAAJ},
  language = {Spanish},
}