@BOOK{NAP11987, author = "National Research Council", title = "Assessment of the NASA Applied Sciences Program", isbn = "978-0-309-11075-4", doi = "10.17226/11987", url = "https://nap.nationalacademies.org/catalog/11987/assessment-of-the-nasa-applied-sciences-program", year = 2007, publisher = "The National Academies Press", address = "Washington, DC" }