1. INTRODUCTION

2. THE SAMPLES
2.1. Sample selection
2.2. Sample properties as a whole

3. OBSERVATIONS

4. RESULTS
4.1. Spectra and line parameters
4.2. Detection rates and non-detections
4.3. Consistency of the observed CO intensities

5. DISCUSSION
5.1. The CO(3–2)/(1–0) Line Intensity Ratio
5.2. FIR-to-CO luminosity correlations and star formation laws

6. CONCLUSIONS