1. INTRODUCTION
2. OBSERVATIONS AND DATA REDUCTION
2.1. Sample Selection
2.2. CO Line Observations
2.3. Additional Observations for HD 131835
3. RESULTS
3.1. Stellar Properties of HD 131835
3.2. The Dust Disk Around HD 131835
3.3. The Gas Disk Around HD 131835
3.4. Gas Mass Upper Limits for the Other Targets
4. DISCUSSION
4.1. Gaseous Debris Disks Around Young A-type Stars
4.2. Dust Properties of the HD 131835 Disk
4.3. The Gas Disk of HD 131835
5. SUMMARY