1. Wyrsch, N., et al.: Ultra-Light Amorphous Silicon Cell for Space Applications. In: Proc. of IEEE 4th World Conference on Photovoltaic Energy Conversion, Waikoloa (2006)
2. Rowehl, J.A., Lunt, R.R., Xu, J., Wang, A., Boyce, C.M., Gap Im, C., Bulovic, V., Gleason Mile, K.K.: Direct Monolithic Integration of Organic Photovoltaic Circuits on Unmodified Paper, Advanced Materials (2011)
3. Airshipworld (2009),
http://airshipworld.blogspot.com/
4. Alexander Filimonov. Tyumenekotrans (2002),
http://www.tumenecotrans.ru
5. Liao, L., Pasternak, I.: A review of airship structural research and development. Progress in Aerospace Sciences 45 (2009)