@article{4813560a06d64f36b2701f45e0de758c,
title = "THE EVOLUTION OF CO‐OPERATIVE BREEDING IN BIRDS",
author = "Ricklefs, {Robert E.}",
note = "Enter your email address below. If your address has been previously registered, you will receive an email with instructions on how to reset your password. If you don't receive an email, you should register as a new user",
year = "2008",
month = apr,
day = "3",
doi = "10.1111/j.1474-919X.1975.tb04252.x",
language = "American English",
volume = "117",
journal = "Ibis",
issn = "0019-1019",
}