the ten-carbon cyclodecene also occur as cis and trans isomers. Neuenschwander, Ulrich; Hermans, Ive (2011). "The conformations of cyclooctene: Consequences
Springer Science & Business Media. pp. 755–787. ISBN 978-0-387448-99-2. Neuenschwander, Markus (1986), "Synthetic and NMR spectroscopic investigations of fulvenes
S2CID 252107061.{{cite journal}}: CS1 maint: multiple names: authors list (link) Neuenschwander M, Stadelmaier J, Eble J, Grummich K, Szczerba E, Kiesswetter E, Schlesinger