Versions are often hosted on Scribd or Academia.edu , though these require a free account or a subscription to download. For General Course Notes & Slides
View an official excerpt (table of contents and introduction) on Numilog . Download LES CAPTEURS pdf
If you need a shorter introductory guide (typically 7–50 pages): Guide de sélection: Capteurs photoélectriques - AUDIN Versions are often hosted on Scribd or Academia
"Les capteurs: 70 exercices et problèmes corrigés" by Pascal Dassonvalle (Dunod Publishing). Download LES CAPTEURS pdf