Eugster, C.H., and Pedro Bosshard. “Weitere Furanadditionen an Acylchinone: 5. Mitteilung in Der Reihe Der «β-Hydroxyfurane»”. CHIMIA 16, no. 2 (February 28, 1962): 45. Accessed April 6, 2025. https://www.chimia.ch/chimia/article/view/1962_45.