Federal Reserve Bank of San Francisco. "Petroleum Refinery Plant and Equipment Expenditures, 1950-58," in Federal Reserve Bank of San Francisco. "May 1959," Economic Review (Federal Reserve Bank of San Francisco) (May 1959) : 2-12. https://fraser.stlouisfed.org/title/869/item/33355/toc/42827 , accessed on May 4, 2024.