@inbook{inbook, title  = {{Fitness consequences of helping}},

 publisher = {{Cambridge University Press}},

 url = {{https://doi.org/10.1017/cbo9780511606816.004 }},

 year = {{2004}},

 month = {{4}},

 author = {{Dickinson JL and Hatchwell BJ}},

 doi = {{10.1017/cbo9780511606816.004}},

 isbn = {{9780521530996}},

 pages = {{48-66}},

 note = {{Accessed on 2025/12/07}}}