Piccinnileopardi, C., Germain, G., Vanmeerssche, M., Albericci, M., Braekman, JC., Daloze, D., & Tursch, B. (1982). Chemical Studies of Marine-invertebrates .46. Confirmation of the Molecular-structure of Sigmosceptrellin-b By X-ray-diffraction Analysis. Royal Society of Chemistry. Journal: Perkin Transactions 2, 12, 1523-1526. https://hdl.handle.net/2078.5/45115 (Original work published 1982)