Baluschev, S., Yakutkin, V., Wegner, G., Minch, B., Miteva, T., Nelles, G., et al. (2007). Response to "Comment on 'Two pathways for photon upconversion in model organic compound systems' [J. Appl. Phys. 101, 023101 (2007)]". Journal of Applied Physics, 102(7): 076103. doi:10.1063/1.2787157.