RT Article T1 Editorial JF Ethical theory and moral practice VO 11 IS 4 SP 353 OP 354 A1 Musschenga, Albert W. A1 Heeger, Robert A2 Heeger, Robert LA English YR 2008 UL https://ixtheo.de/Record/1785694774 DO 10.1007/s10677-008-9124-8