@article{van-ess-dykema-1991-practical,
    title = "Practical {SGML}",
    author = "Van Ess-Dykema, Carol",
    journal = "Computational Linguistics",
    volume = "17",
    number = "1",
    year = "1991",
    url = "https://preview.aclanthology.org/Author-Pages-WenzhengZhang-ZhengyanShi-ShuYang/J91-1008/"
}