@book {27021,
	title = {Fossil evidence for the origin of spider spinnerets, and a proposed arachnid order},
	series = {Proceedings of the National Academy of Science},
	volume = {105},
	number = {52},
	year = {2008},
	month = {2008},
	chapter = {20781-20785},
	keywords = {REPRINT},
	author = {Paul A. Selden and Shear, W.A and Sutton, M.D}
}
