TY  - BOOK
AU  - Singer,Peter, x
AU  - x
TI  - Practical ethics: x
SN  - 0521297206
U1  - 170/S617p 
PY  - 1990///
CY  - Cambridge,New York
PB  - Cambridge Univ.Press
KW  - Ethics
KW  - Social ethics
N1  - includes
ER  -