@other{https://resolver.caltech.edu/CaltechETD:etd-05052005-154404,
    title = "Polarization of Recoil Protons from the Photoproduction of Neutral Pions in Hydrogen at 585 and 660 Mev.",
    url = "https://resolver.caltech.edu/CaltechETD:etd-05052005-154404",
    id = "record",
    doi = "10.7907/418S-MZ02"
}


@other{https://resolver.caltech.edu/CaltechETD:etd-07142004-161139,
    title = "Photoproduction of Neutral Pions from Hydrogen at Forward Angles from 240 to 480 Mev",
    url = "https://resolver.caltech.edu/CaltechETD:etd-07142004-161139",
    id = "record",
    doi = "10.7907/XX41-7D63"
}