Langer, V., Gyepesová, D., Koman, M., Kapitán, P., Babjak, M., Gracza, T., & Koóš, M. (2003). Preparation Crystal Structure of (1S, 5S, 7S, 8R)-8-Hydroxy-7-phenyl-2,6-dioxabicyclo[3.3.0]octan-3-one. Molecules.

Langer, Vratislav, Dalma Gyepesová, Marian Koman, Peter Kapitán, Matej Babjak, Tibor Gracza, and Miroslav Koóš. "Preparation Crystal Structure of (1S, 5S, 7S, 8R)-8-Hydroxy-7-phenyl-2,6-dioxabicyclo[3.3.0]octan-3-one." Molecules 2003.

Langer, Vratislav, et al. "Preparation Crystal Structure of (1S, 5S, 7S, 8R)-8-Hydroxy-7-phenyl-2,6-dioxabicyclo[3.3.0]octan-3-one." Molecules 2003.