@BOOK{NAP20492, title = "Public Safety: A Growing Factor in Modern Design: A Symposium Held at the Fifth Annual Meeting of the National Academy of Engineering", doi = "10.17226/20492", url = "https://nap.nationalacademies.org/catalog/20492/public-safety-a-growing-factor-in-modern-design-a-symposium", year = 1970, publisher = "The National Academies Press", address = "Washington, DC" }