Acknowledgements:

I would like to thank all people, who helped me to realize PPIGB.

The British Society for Plant Pathology (BSPP) for giving me the possibility to use their server. Especially Dr. Adrian Newton, who helped me a lot to offer this service to a broader audience.

The American Phytopathological Society (APS). I would like to thank all involved members of APS who helped me to create this service and to establish a mirror in America.

The Centro de Energia Nuclear na Agricultura (CENA), Universidade de São Paulo, Brazil for establishing a mirror site. My special thanks to Claudia de Mattos Bellato (CENA) for her encouragement in creating this mirror, she has really brought this mirror on his way. Lyndel W. Meinhardt (CENA) for the first contact and his support for bringing PPIGB to Brazil. Luis Fernando Manesco (CENA) for his technical help in the process of realization. And also all people at CENA who have helped and giving their support. It is a honour for me to provide PPIGB also in Brazil.

The colleagues in Australia at the Western State Agricultural Biotechnology Centre (SABC) for their offer of cooperation. Thanks to Dr. Berryman at SABC who is the initiator of this mirror in Australia. S. Oxwell for his personal and technical assistance in creating the mirror.

The German Agricultural Information Network (DAINet, Deutsches Agrarinformationsnetz) for giving me the possibility to use their server. Especially Dr. Pohlmann and K. Hasky-Günther for their kind offer of cooperation in the field of plant pathology.

My colleagues at the Institute for Plant Diseases at the University of Bonn (Germany) and the head of our working group Prof. Dr. H.-W. Dehne for his support of my internet activities.

The Department of Horticulture at the University of Hanover and T. Werny for giving me the possibility to use the server technology of the horticultural department. Especially his help in programming and his offer to check my scripts.

Thanks to all
Thorsten Kraska