Cook, S. (2007). On the relationship between mergers and economic activity: Evidence from an optimised hybrid method. Physica A: Statistical Mechanics and its Applications, 379(2), pp. -634. doi:10.1016/j.physa.2007.02.035

Cook, Steve. "On the Relationship between Mergers and Economic Activity: Evidence From an Optimised Hybrid Method." Physica A: Statistical Mechanics and Its Applications 379, no. 2 (2007): -634.

Cook, Steve. "On the Relationship between Mergers and Economic Activity: Evidence From an Optimised Hybrid Method." Physica A: Statistical Mechanics and Its Applications 379.2 (2007): -634.