Acknowledgements


To the memory of Antoinettte, Lucy, Marie-Thérèse and Marie for the help and support they have given.

"Thank you" from the bottom of our hearts :
  •    - To our children: Auguste, Mathilde, Henry-Aurélien and Vincent-Joseph who, like points on a compass, give direction to our actions;
  •    - To all the people who bring their professionalism to work with ours to obtain our common goals;
  •    - To René and the others far and near who light our path.