@article{mathmlseriesintro,
    type = "article",
    author = "Peter James Rowlett",
    year = "2005",
    title = {MathML / XML Series: An introduction},
    journal = "MSOR Connections",
    volume = "5",
    number = "4",
    pages = "25-26",
    url = "https://www.heacademy.ac.uk/sites/default/files/msor.5.4i.pdf"
}