Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Carlos E. Alchourrón and Peter Gärdenfors and David Makinson,On the logic of theory change: Partial meet contraction and revision functions,Journal of Symbolic Logic,0022-4812,Cambridge University Press (CUP),1985-06,50,2,510-530,https://cir.nii.ac.jp/crid/1360282589199170048,https://doi.org/10.2307/2274239