Gould, Stephen Jay (2011) [2000]. "Chapter 2: The sharp-eyed lynx, outfoxed by nature". The Lying Stones of Marrakech: Penultimate Reflections in Natural History (1st Harvard University Pressed.). Cambridge: Harvard University Press. pp.27–52 [48–49]. ISBN978-0-674-06167-5– via Google Books.
Lodish, Harvey; Berk, Arnold; Zipursky, S. Lawrence; Matsudaira, Paul; Baltimore, David; Darnell, James (2000). "Microscopy and Cell Architecture". Molecular Cell Biology. 4th Edition. Archived from the original on March 11, 2020.
Lodish, Harvey; Berk, Arnold; Zipursky, S. Lawrence; Matsudaira, Paul; Baltimore, David; Darnell, James (2000). "Microscopy and Cell Architecture". Molecular Cell Biology. 4th Edition. Archived from the original on March 11, 2020.