Exchange Flow through the Strait of Gibraltar as Simulated by a σ-Coordinate Hydrostatic Model and a z-Coordinate Nonhydrostatic Model, Sannino, Gianmaria, Garrido J.C.S., Liberti L., and Pratt L. , The Mediterranean Sea: Temporal Variability and Spatial Patterns, Volume 9781118847343, p.25-50, (2014)