Federal Reserve Bank of San Francisco. "The Grain Drain," Economic Letter (Federal Reserve Bank of San Francisco) (October 18, 1974). https://fraser.stlouisfed.org/title/4960/item/527169, accessed on May 7, 2024.
Federal Reserve Bank of San Francisco. "The Grain Drain," Economic Letter (Federal Reserve Bank of San Francisco) (October 18, 1974). https://fraser.stlouisfed.org/title/4960/item/527169, accessed on May 7, 2024.