Boland, W., Schroer, N., Sieler, C., & Feigel, M. (1987). Sterospecific syntheses
and spectroscopic properties of isomeric 2,4,6,8‐undecatetraenes. New hydrocarbons from the marine brown alga Giffordia mitchellae. Helvetica Chimica Acta, 70(4), 1025-1040. doi:10.1002/hlca.19870700415.