@other{https://resolver.caltech.edu/CaltechAUTHORS:20170726-154328187, title = "Identifying Treatment Effects under Data Combination", year = "2017", url = "https://resolver.caltech.edu/CaltechAUTHORS:20170726-154328187", id = "record", doi = "10.7907/dzksf-x2220" }