Aikman, David
, Kiley, Michael T.
, Lee, Seung Jung
, Palumbo, Michael G.
and Warusawitharana, Missaka N. "Mapping Heat in the U.S. Financial System, 2015-059,"
Finance and Economics Discussion Series
(June 2015).
https://fraser.stlouisfed.org/title/1491/item/723730, accessed on May 14, 2026.