A. Moirandat
Basel,
Switzerland
Dr. Ulrich Drüner
Stuttgart,
Germany
Marion Neugebauer
Bernried am Starnberger See,
Germany
Wolfgang Stöger
Köln,
Germany
Karoly Antal
Budapest,
Hungary
Nancy L. McGlashan
Kew Gardens,
NY, United States
David R. Meeker
Sacramento,
CA, United States
Edward D. Nudelman
Seattle,
United States
Aristóteles T. Alencar
São Paulo,
SP, Brazil
Ronald L. Cozzi
N. Tonawanda,
NY, United States
Oxford,
United Kingdom
Philippe Bézamat
Sainte-Eulalie d'Olt,
France