@article{https://resolver.caltech.edu/CaltechAUTHORS:TYLpnas56b,
    title = "Inhibition of Division and Development of Sea-Urchin Eggs by Antisera Against Fertilizin",
    journal = "Proceedings of the National Academy of Sciences of the United States of America",
    year = "1956",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:TYLpnas56b",
    id = "record",
    issn = "0027-8424",
    volume = "42"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:TYLpnas56a,
    title = "Antisera that Block Cell Division in Developing Eggs of Sea Urchins",
    journal = "Proceedings of the National Academy of Sciences of the United States of America",
    year = "1956",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:TYLpnas56a",
    id = "record",
    issn = "0027-8424",
    volume = "42"
}