@other{https://resolver.caltech.edu/CaltechTHESIS:07152014-110952725, title = "I. A seismotectonic study of the Middle America Subduction Zone. II. Lithosphere and upper mantle structure of the Canadian Shield and Eastern North America", year = "1990", url = "https://resolver.caltech.edu/CaltechTHESIS:07152014-110952725", id = "record", doi = "10.7907/20tk-sb77" }