@article{https://resolver.caltech.edu/CaltechAUTHORS:DIEprl61,
    title = "Photoproduction of single neutral pions from hydrogen at 60° in the 600-1100 Mev region",
    journal = "Physical Review Letters",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:DIEprl61",
    id = "record",
    issn = "0031-9007",
    doi = "10.1103/PhysRevLett.7.323",
    volume = "7"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:KILprl60,
    title = "Photoproduction of Negative Pions from Hydrogen at Forward Angles",
    journal = "Physical Review Letters",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:KILprl60",
    id = "record",
    issn = "0031-9007",
    doi = "10.1103/PhysRevLett.5.518",
    volume = "5"
}