Generating grammars for SGML tagged texts lacking DTD

Reference:

H. Ahonen, H. Mannila, and E. Nikunen. Generating grammars for sgml tagged texts lacking dtd. Mathematical and Computer Modelling, 26(1):1–13, 1997.

Suggested BibTeX entry:

@article{amn97,
    author = {H. Ahonen and H. Mannila and E. Nikunen},
    journal = {Mathematical and Computer Modelling},
    number = {1},
    pages = {1-13},
    title = {Generating grammars for SGML tagged texts lacking DTD},
    volume = {26},
    year = {1997},
}