1. Combinatorics of spreads and parallelisms. (©2010) Other Names: Johnson, Norman L (Norman Lloyd), 1939- Record Type: Book Extent: 1 online resource (xxi, 651 pages), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Incidence algebras. (2021) Authors: Spiegel, Eugene, 1941-; O'Donnell, Christopher J Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗