[1]
M. V. Bondar, O. V. Przhonska, O. D. Kachkovsky, A. Frazer, A. R. Morales, and K. D. Belfield, “New Fluorene-Based Fluorescent Probe with Efficient Two-Photon Absorption”, Ukr. J. Phys., vol. 58, no. 8, p. 748, Oct. 2018.