Morgan, F. „Existence of Least-perimeter Partitions”. arXiv:0711.4228.
books.google.com
Rosen MJ, Kunjappu JT (2012). Surfactants and Interfacial Phenomena (4th изд.). Hoboken, New Jersey: John Wiley & Sons. стр. 1. ISBN978-1-118-22902-6. Архивирано из оригинала 8. 1. 2017. г. „A surfactant (a contraction of surface-active agent) is a substance that, when present at low concentration in a system. has the property of adsorbing onto the surfaces or interfaces of the system and of altering to a marked degree the surface or interfacial free energies of those surfaces (or interfaces).”CS1 одржавање: Формат датума (веза)
Pickering, Spencer Umfreville (1907). „Emulsions”. Journal of the Chemical Society, Transactions. 91: 2001—2021. doi:10.1039/CT9079102001.
Ramsden, W (1903). „Separation of Solids in the Surface-layers of Solutions and 'Suspensions'”. Proceedings of the Royal Society of London. 72 (477–486): 156—164. doi:10.1098/rspl.1903.0034.
Rosen MJ, Kunjappu JT (2012). Surfactants and Interfacial Phenomena (4th изд.). Hoboken, New Jersey: John Wiley & Sons. стр. 1. ISBN978-1-118-22902-6. Архивирано из оригинала 8. 1. 2017. г. „A surfactant (a contraction of surface-active agent) is a substance that, when present at low concentration in a system. has the property of adsorbing onto the surfaces or interfaces of the system and of altering to a marked degree the surface or interfacial free energies of those surfaces (or interfaces).”CS1 одржавање: Формат датума (веза)