Change in PPI Publication Structures for Resampled Industries Introduced in January 1997
United States. Bureau of Labor Statistics. "Change in PPI Publication Structures for Resampled Industries Introduced in January 1997," in United States. Bureau of Labor Statistics. "January 1997," PPI Detailed Report (January 1997) : 10-13. https://fraser.stlouisfed.org/title/63/item/21736/toc/302226 , accessed on April 24, 2024.