@other{https://resolver.caltech.edu/CaltechETD:etd-10042006-110003,
    title = "Experiments with unconventional crossflow heat exchangers",
    year = "1981",
    url = "https://resolver.caltech.edu/CaltechETD:etd-10042006-110003",
    id = "record",
    doi = "10.7907/P6TP-GR40"
}