Commercial and Custom Quartz Tuning Forks for Quartz Enhanced Photoacoustic Spectroscopy: Stability under Humidity Variation. - Diba Ayache; Roman Rousseau; Elena Kniazeva; Julien Charensol; Tarek Seoudi; Michael Bahriz; Fares Gouzi; Vincenzo Spagnolo; Aurore Vicet (Sensors, 2023)