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A coated piezoelectric crystal detector for the selective detection and determination of hydrogen sulfide in the atmosphereL.M. Webber; K.H. Karmarkar; G.G. Guilbault · 1978
Measurement of sulfur dioxide in automobile exhausts and industrial stack gases with a coated piezoelectric crystal detectorK.H. Karmarkar; L.M. Webber; G.G. Guilbault · 1976
The detection of ammonia and nitrogen dioxide at the parts per billion level with coated piezoelectric crystal detectorsK.H. Karmarkar; G.G. Guilbault · 1975