Fermín Sierra Martínez
type: Person
alternate name: Martínez, Ferín Sierra
alternate name: Sierra, Fermín
family name: Sierra Martínez
given name: Fermín
main entity of page: https://data.bibliotheken.nl/.well-known/genid/70b2c854b4c563c916b8f08fb4d62023
label: Sierra Martínez, Fermín