@Book{BVMC:753200, author = {Aguirre, Manuel Benito}, title = {El Subterráneo habitado o Los Letingbergs, ó sea Timancio y Adela}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2018}, year = {2018}, url = {https://www.cervantesvirtual.com/obra/el-subterraneo-habitado-o-los-letingbergs-o-sea-timancio-y-adela--novela-original} }