1. Biliotti M., Johnson N.L.: Bilinear flocks of quadratic cones. J. Geom. 64, 16–50 (1999)
2. Cherowitzo, W.E.: Flocks of cones: star flocks (submitted)
3. Cherowitzo, W.E., Johnson, N.L.: α-flokki, partial α-flokki, and Baer groups (submitted)
4. Cherowitzo, W.E., Johnson, N.L.: Parallelisms of quadric sets. Innov. Incidence Geom. (to appear)
5. Jha, V., Johnson, N.L.: Lifting quasifibrations—II. Non-normalizing Baer involutions. Note Mat. 20, 51–68 (2000/2001)