TY - JOUR AU - Johnson, Norman L. TI - Twisted quadrics and $\alpha $-flocks JO - Algebraic Combinatorics PY - 2022 DA - 2022/// SP - 803 EP - 826 VL - 5 IS - 5 PB - The Combinatorics Consortium UR - https://alco.centre-mersenne.org/articles/10.5802/alco.216/ UR - https://doi.org/10.5802/alco.216 DO - 10.5802/alco.216 LA - en ID - ALCO_2022__5_5_803_0 ER -