gloria obuzor 2013. Synthesis of 6,6-Dimethyl-2-Cyclopentadienylethylbicyclo[3.1.1] Hept-2-Ene and of 6,6-Dimethyl-2-Indenylethylbicyclo[3.1.1] Hept-2-Ene. Global Journal of Science Frontier Research. 13, B5 (Mar. 2013), 9–12.