Keitel, J., Fischer-Lui, I., Boland, W., & Mueller, D. G. (1990). Novel C9
and C11 hydrocarbons from the brown alga Cutleria multifida; sigmatropic and electrocyclic reactions in nature.
Part VI. Helvetica Chimica Acta, 73(8), 2101-2112. doi:10.1002/hlca.19900730806.