Remerciements - Verdankungen - Acknowledgements
M. Vincent Barras, Lausanne
Mme Françoise Chatelan, Morges
M. Gilbert Coutaz, Chavannes-près-Renens
M. Daniel Demellier, Paris
Mme Kornelia Grundmann, Marburg
Mme Hoang Doan Thuc Cao, Nha Trang
M. Edmond Leresche, Crissier
M. Jacques Longchamp, Morges
M. Daniel Minssen, Limours
M. Nguyen The Dung, Ho Chi Minh Ville
M. Jacques Nicolet, Bremgarten b. Bern
Mme Annick Perrot, Pruniers en Sologne
M. Alphonse Rivier, Lausanne
Mme Truong Thi Thuy Nga, Nhatrang
M. Viên Quang Mai, Nha Trang
M. Gerd Wuhrmann, Marburg
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