TY - BOOK ID - 6954050 TI - Supererogation : its status in ethical theory PY - 1982 SN - 0521239354 9780521239356 PB - Cambridge Cambridge University press DB - UniCat KW - Supererogation KW - Duty KW - Responsibility UR - https://www.unicat.be/uniCat?func=search&query=sysid:6954050 AB - ER -