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from 1991 to mid 1993 and has been supportive of the current co-leaders throughout. Drs. Tiiu MÄRSS (Estonia), WANG Nian-zhong and
W ANG Shi-tao (China) also contributed to the initial proposal and carried out important work as national leaders. We thank especially the
IGCP and IUGS secretariats, especially Drs. Endré D UDICH and Vladislav BABUSKA , and national IGCP committees for all their support -
financial and otherwise. Numerous other organisations and individuals have assisted the project, especially the hosts to our 5 major meetings,
M. Marius A RSENAULT , Directeur du Parc de Miguasha and the Québec Government (1991); Professor Michael H OUSE , Chairman of the
Subcommission on Devonian Stratigraphy (SDS; our main co-operative partner), and the committee of ISDSEOMR, Guilin, China (1992);
Professor Otto H. W ALLISER and the staff of Göttingen University IMGP (1993); in addition, the late Herman JAEGER for his initial support
and invitation for the Gross Symposium, and Professor Hans-Peter SCHULTZE
for his support and help following the death of Dr. J AEGER , and providing liaison with the University of Berlin and Walter G ROSS's family (1993); Dr. A.Yu. R OZANOV, Dr. and Mrs. Oleg L EBEDEV
and the staffs of the Paleontological Institute, Moscow, and Ukhta Geological Exploration Institute (1994); and the Directeur and staffs of the
Muséum National d'Histoire Naturelle, Paris, and the University of Lille, Laboratoire Pal. 3 (1995). In addition, our national and geological system leaders have provided continuing and concerted support during the life of IGCP 328; their names and contributions are outlined in the
newsletter, Ichthyolith Issues
numbers 6-17. We thank Professor Dr. Hans-Peter S CHULTZE for his useful comments on an earlier draft of our contribution, as well as C. D ERYCKE
(Villeneuve d'Ascq), C. G IRARD (Villeurbanne) and T. MÄRSS (Tallinn) for helpful information while writing this paper. Mrs. R. N ETTER (Villeneuve d'Ascq) processed figures 2 and 3.
One of the illustrations of the paper :
120
100
80
60
40
20
0
1991
1992
1993
1994
1995
1996
1997
Fig. 1 - Histogram of numbers of publications of IGCP 328.