Multi-layered folding with voids by T. J. Dodwell, G. W. Hunt, M. A. Peletier, and C. J. Budd Philosophical Transactions A Volume 370(1965):1740-1758 April.
Bionics in textiles: flexible and translucent thermal insulations for solar thermal applications by Thomas Stegmaier, Michael Linke, and Heinrich Planck.
