TY - BOOK ID - 133949630 TI - Evolutional ethics and animal psychology PY - 1898 PB - New York : D. Appleton, DB - UniCat KW - Ethics KW - Psychology KW - Evolutionary KW - Comparative UR - https://www.unicat.be/uniCat?func=search&query=sysid:133949630 AB - ER -