TY - BOOK TI - Moral principles and political obligations AU - Simmons, A. John (Alan John), 1950-. SN - 0691072450 PB - Princeton University Press PP - Princeton, N.J. : Princeton University Press, c1979. PY - 1979 UR - https://library.korea.ac.kr/detail/?cid=CAT000045942172&ctype=m