@Book{OL5418623M,
    title: {Introduction to metallurgical thermodynamics},
    author: {David R. Gaskell},
    publisher: {Scripta Pub. Co.},
    year: {1973},
    place: {Washington},
}

@Author{OL449757A,
    name: {David R. Gaskell},
    birth_date: {1940}
}