2 PRE-SELECTION OF CLUSTER CANDIDATES

3 FOLLOW-UP OBSERVATIONS
3.1 Optical images
3.2 Spectroscopic observations
3.3 Data reduction and calibration
3.4 Sunyaev-Zel'dovich data

4 OPTICAL DATA ANALYSIS
4.1 Spectroscopic redshifts
4.2 Red sequence finding and redshift estimation
4.3 Richness estimates
4.4 Discussion of the results from the optical data

5 SZ DATA ANALYSIS

6 ARE THERE GALAXY CLUSTERS TOO MASSIVE COMPARED TO PREDICTIONS FROM ΛCDM?

7 NOTES ON INDIVIDUAL CLUSTERS

8 CONCLUSIONS