1. Introduction
2. Observations and Data Reduction
2.1. CALIFA Survey
2.2. Observations and Data Reduction
2.3. The Sample
3. Measuring the Ionized Gas Kinematics
3.1. Radial Velocities
3.2. Direct Estimation of Kinematic Parameters
3.3. Presence of Kinematically Distinct Gaseous Components
4. Results
4.1. Ionized Gas Distribution and Velocity Fields
4.2. Presence of Kinematically Distinct Gaseous Components
5. Summary and Conclusions