@book { AnEthnoarchaeologicalStudyoftheBlacksmithingTechnologyinCebuIslandPhilippines,
    title = "An Ethnoarchaeological Study of the Blacksmithing Technology in Cebu Island, Philippines",
    author = "Jocelyn B. {Gerra}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02498-2",
    url = "https://www.peterlang.com/document/1046665"
}