@other{https://resolver.caltech.edu/CaltechTHESIS:09132011-105236506,
    title = "Methods for the Synthesis of Tungsten Alkylidenes: Ring-Opening of Cyclopropenes and Alkylidene Transfer from Phosphoranes",
    year = "1992",
    url = "https://resolver.caltech.edu/CaltechTHESIS:09132011-105236506",
    id = "record",
    doi = "10.7907/scx7-0w89"
}