https://www.cambridge.org/core/journals/proceedings-of-the-edinburgh-mathematical-society/article/further-elementary-techniques-using-the-miracle-octad-generator/EF278FCD9210C6DA75A87ABCA9B97F01
Further elementary techniques using the miracle octad generator - Volume 32 Issue 3
miracle octad generatorelementarytechniquesusingproceedings