@book{ BA29152988, author = "Casimir, H. B. G. (Hendrik Brugt Gerhard)", title = "Magnetism and very low temperatures", publisher = "University Press", year = "1940", series = "Cambridge physical tracts / general editors M. L. E. Oliphant, J. A. Ratcliffe", number = "", URL = "https://ci.nii.ac.jp/ncid/BA29152988" }