@inbook{NBERc1230, Crossref = "NBERmint67-1", title = "Appendix C The World Import Data", author = "Ilse Mintz", BookTitle = "Cyclical Fluctuations in the Exports of the United States since 1879", Publisher = "Columbia University Press", pages = "312-317", year = "1967", URL = "http://www.nber.org/chapters/c1230", } @book{NBERmint67-1, title = "Cyclical Fluctuations in the Exports of the United States since 1879", author = "Ilse Mintz", institution = "National Bureau of Economic Research", type = "Book", publisher = "Columbia University Press", year = "1967", URL = "http://www.nber.org/books/mint67-1", }