| Ref. | Starting date | Title | Coordinating Institute | Status | Collaboration Type |
|---|---|---|---|---|---|
| 47 | 1989-10-17 | AC voltage and current measurements. |
VSL | completed | consultation |
| 15 | 1988-10-01 | Development of the QHE as a resistance standard. |
METAS | completed | research |
| 2 | 1993-06-01 | Meeting of experts on the quantum Hall effect |
DFM | completed | consultation |