@article{ref:1,
    author  = "Albert Einstein",
    title   = "On the electrodynamics of moving bodies",
    journal = "Annalen der Physik",
    volume  = "322",
    number  = "10",
    pages   = "891--921",
    year    = "1905"
}

@book{ref:2,
    author    = "Michel Goossens and Frank Mittelbach and Alexander Samarin",
    title     = "The \LaTeX\ Companion",
    year      = "1993",
    publisher = "Addison-Wesley",
    address   = "Reading, Massachusetts"
}