@BOOK{NAP25589, title = "Report of Panel Study on the Biological Quarantine of Venus", doi = "10.17226/25589", url = "https://nap.nationalacademies.org/catalog/25589/report-of-panel-study-on-the-biological-quarantine-of-venus", year = 1967, publisher = "The National Academies Press", address = "Washington, DC" }