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References
Richard D. Alexander
Evolution, social behavior, and ethics![Open Access Link](images/OAlink.png)
1981
in: The roots of ethics, Dordrecht : Springer
![Open Access Link](images/OAlink.png)
Natural selection and societal laws![Open Access Link](images/OAlink.png)
1981
in: The roots of ethics, Dordrecht : Springer
![Open Access Link](images/OAlink.png)
1981
in: The roots of ethics, Dordrecht : Springer
1981
in: The roots of ethics, Dordrecht : Springer