| Verfasser | Häufigkeit |
| Groot, Simone Evke de |
8 |
| Höfer, Reinhold 1941- |
8 |
| Küpper, Peter |
8 |
| Veit, Annekatrin |
8 |
| Verhuven, Thomas 19XX- |
8 |
| Aikema, Bernard 1949- |
5 |
| Arendzen, Petrus Johannes 1846-1932 |
5 |
| Groot Omroepkoor |
5 |
| Groot, Erlend Petrus Jacobus Maria de 1966- |
5 |
| Hofstede de Groot, Cornelis 1863-1930 |
5 |
| Krogt, P. C. J. van der 1956- |
5 |
| Reich, Torsten 1969- |
5 |
| Schilder, Günter 1942- |
5 |
| Groot, Cor de 1914-1993 |
4 |
| Hora, Heinrich 1931- |
4 |
| Grimm, Anne |
2 |
| Groot, Peter de 1957- |
2 |
| Groot, Sybren Ruurds de |
2 |
| Holthaus, Reiner |
2 |
| International Workshop on Laser Interaction and Related Plasma Phenomena Monterey, Calif |
2 |