Manual: SL837AVSTEREO SM NOKIA EN : Free Download, Borrow, and Streaming : Internet Archive,A highly sensitive LITES sensor based on a multi-pass cell with dense spot pattern and a novel quartz tuning fork with low frequency,Structural color tunable intelligent mid-infrared thermal control emitter - ScienceDirect,A highly sensitive LITES sensor based on a multi-pass cell with dense spot pattern and a novel quartz tuning fork with low frequency,High-sensitivity methane detection based on QEPAS and H-QEPAS technologies combined with a self-designed 8.7 kHz quartz tuning fork - ScienceDirect