@book{ BA02096081, author = "Blackham, H. J. (Harold John) and Hepburn, Ronald W. and Martin, Kingsley", title = "Objections to humanism", publisher = "Penguin Books", year = "1965", series = "Pelican books", number = "A765", URL = "https://ci.nii.ac.jp/ncid/BA02096081" }