Goldstein, S., Vannes, P., Houge, C., Frisque-Hesbain, A.-M., Wiauxzamar, C., Ghosez, L., Germain, G., Declercq, J.-P., Vanmeerssche, M., & Arrieta, JM. (1981). A Short, Economical, and Stereoselective Route To Prostaglandins By Vicinal Alkylation of Cyclopentadiene. Journal of the American chemical society, 103(15), 4616-4618. https://doi.org/10.1021/ja00405a070 (Original work published 1981)