@BOOK{NAP20514, title = "Engineering and Scientific Manpower: Recommendations for the Seventies", doi = "10.17226/20514", url = "https://nap.nationalacademies.org/catalog/20514/engineering-and-scientific-manpower-recommendations-for-the-seventies", year = 1973, publisher = "The National Academies Press", address = "Washington, DC" }