1 INTRODUCTION

2 OBSERVATIONS AND DATA REDUCTION

3 DATA ANALYSIS
3.1 Source extraction
3.2 Source characterization
3.3 Comparison of observational parameters

4 RESULTS
4.1 Properties of H I detections
4.2 H I mass function

5 DISCUSSION
5.1 Slope of the H I mass function
5.2 Lack of extragalactic H I gas

6 SUMMARY AND CONCLUSIONS