1. Bănică, C., Popescu, N.: Sur les catégories préabéliennes. Rev. Roum. Math. Pures Appl. 10, 621–633 (1965)
2. Bondal, A., van den Bergh, M.: Generators and representability of functors in commutative and noncommutative geometry. Mosc. Math. J. 3(1), 1–36, 258 (2003)
3. Bonet, J., Dierolf, S.: The pullback for bornological and ultrabornological spaces. Note Mat. 25(1), 63–67 (2005/2006)
4. Bühler, T.: On the algebraic foundations of bounded cohomology. Mem. Am. Math. Soc. doi: 10.1090/S0065-9266-2011-00618-0
5. Bühler, T.: Exact categories. Expo. Math. 28(1), 1–69 (2010)