United States. Department of the Treasury. "Withholding of appraisement on Pentaerythritol from Japan, March 1, 1972," in United States. Department of the Treasury. "Volume 178," Press Releases of the United States Department of the Treasury (March 1, 1972 - April 29, 1972) : 23-24. https://fraser.stlouisfed.org/title/6111/item/587021/toc/542589 , accessed on June 25, 2024.