@book{ BA00830770, author = "Institute of Physical Sciences in Medicine (Great Britain) and Williams, E. D.", title = "An introduction to emission computed tomography", publisher = "Institute of Physical Sciences in Medicine", year = "1985", series = "IPSM / Institute of Physical Sciences in Medicine", number = "Report 44", URL = "https://ci.nii.ac.jp/ncid/BA00830770" }