@book{25235, author = {Lydekker, Richard, and British Museum (Natural History). Department of Zoology}, title = {Guide to the specimens of the Horse Family (Equidae) exhibited in the Department of Zoology, British Museum(Natural History) /}, publisher = {Printed by order of the Trustees,}, year = {1907.}, address = {Londres :}, url = {http://www.biodiversitylibrary.org/item/67088#page/20/mode/1up} }