@BOOK{NAP12279, title = "On Optimum Phasing for SIRTF: Letter Report", doi = "10.17226/12279", url = "https://nap.nationalacademies.org/catalog/12279/on-optimum-phasing-for-sirtf-letter-report", year = 1996, publisher = "The National Academies Press", address = "Washington, DC" }