Hick, J. L., Barbera, J. A., and Kelen, G.D. (2009). Refining Surge Capacity: Conventional, Contingency, and Crisis Capacity. (Abstract only.) Disaster Medicine and Public Health Preparedness. 3(2 Suppl): S59-67.
In this article, the authors suggest using a three-level surge capacity taxonomy (conventional capacity, contingency capacity, and crisis capacity) to bolster hospital surge planning.