TY  - BOOK
AU  - Hilpinen, Risto(ed.)
TI  - Deontic logic: introductory and systematic readings
T2  - Synthese library
SN  - 9027701679
U1  - 160 
PY  - 1971///]
CY  - Dordrecht
PB  - D.Reidel
KW  - Deontic logic
ER  -