Зохиогч: .
Эрхлэн гаргасан байгууллага: The royal society -- A royal society discussion organized by a committee under the chairmanship of R.J.Harrison, F.R.S., As part of the 150th anniversary celebrations of the zoological society of London., Meeting held on 30 september 1976.
Гаралтын мэдээ: Great Britain University press, Cambridge 1977
