1. Kato, G. C. (2004). Elemental principle of t-Topos. Europhysics Letters, 68(4), 477–482.
2. Kato, G. C. (2005). Elemental t. g. principle of relativistic t-topos. Europhysics Letters, 71(2), 172–178.
3. Kato, G. C. (2010). U-singularities and t-topos theoretic entropy. International Journal of Theoretical Physics, 49, 1952–1960.
4. Kato, G. C. (2011). Temporal topos and U-singularities. In J. R. O’Cornnell & A. L. Hale (Eds.), The Big Bang: Theory, Assumptions and Problems (pp. 169–179). Nova Science Publishers Inc.
5. Kato, G. C. (2013). Elements of temporal topos, abramis academic. Suffolk, U.K.: Arima Publishing.