@book { SolutionstoProblemsinHeatTransferTransientConductionorUnsteadyConduction,
    title = "Solutions to Problems in Heat Transfer. Transient Conduction or Unsteady Conduction",
    author = "Osama {Mohammed Elmardi}",
    year = "2017",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/354232"
}