Reciprocal altruism in Papio anubis

The genetical evolution of social behaviour. I

W D Hamilton · Journal of Theoretical Biology · 1964 · 15.9K citations

Life Sciences, Evolutionary Biology, Genetics +14

Male transfer in olive baboons

Craig Packer · Nature · 1975 · 84 citations

Life Sciences, Biology, Zoology +5

On Estimation and Hypothesis Testing Problems for Correlation Coefficients

Helena C. Kraemer · Psychometrika · 1975 · 59 citations

Natural Sciences, Biostatistics, Econometrics +12