@book{ BA03869411, author = "Button, Kenneth J. and Inguscio, Massimo and Strumia, F. (Franco)", title = "Optically pumped far-infrared lasers", publisher = "Plenum Press", year = "1984", series = "Reviews of infrared and millimeter waves / edited by Kenneth J. Button", number = "v. 2", URL = "https://ci.nii.ac.jp/ncid/BA03869411" }