Results of the 8-years monitoring of Short-toed Eagle population in Provence /map/ by Richard Frèze:
• Richard Frèze, 2009 – Étude d’une population de Circaètes sur le massif de la Sainte-Baume et les collines environnantes [Study of Short-toed Eagle population on the Massif de la Sainte-Baume and the surrounding hills] – 
(Fr) {rough translation}.