Reference:

Aarno Lehtola, Timo Honkela, Heikki Hyötyniemi, and Harri Jäppinen. Knowledge languages and metatools for natural language processing. In Proceedings of ICSC'88, International Computer Science Conference'88., pages 273–280. IEEE Computer Society, IEEE Hongkong Section, 1988.

Suggested BibTeX entry:

@inproceedings{Lehtola88icsc,
    author = {Aarno Lehtola and Timo Honkela and Heikki Hy{\"{o}}tyniemi and Harri J{\"{a}}ppinen},
    booktitle = {Proceedings of ICSC'88, International Computer Science Conference'88.},
    pages = {273-280},
    publisher = {IEEE Computer Society, IEEE Hongkong Section},
    title = {Knowledge languages and metatools for natural language processing},
    year = {1988},
}