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