@book { ATextManualofEngineeringWorkshopTechnology,
    title = "A Text Manual of Engineering Workshop Technology",
    author = "N. {Balasubramanyam} and G. {Prasanthi}",
    year = "2016",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/321642"
}