Crown-containing butadienyl dyes. 5. Structure and photoisomerization of a butadienyl dye containing a 15-crown-5 fragment / E.N. Ushakov, S.P. Gromov, A.I. Vedernikov, V.G. Avakyan, M.V. Alfimov, L.G. Kuz'mina, J.A.K. Howard // Russian Chemical Bulletin. – 2004. – Т. 53. – № 7. – P. 1549-1562
