@BOOK{NAP18789, author = "National Research Council", title = "Wild and Free-Roaming Horses and Burros: Final Report", doi = "10.17226/18789", url = "https://nap.nationalacademies.org/catalog/18789/wild-and-free-roaming-horses-and-burros-final-report", year = 1982, publisher = "The National Academies Press", address = "Washington, DC" }