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Particle emission concept and probabilistic consideration of the development of infections in systems
Marcus Hellwig
A Practical Treatise on Gas-light; Exhibiting a Summary Description of the Apparatus and Machinery Best Calculated for Illuminating Streets, Houses, and Manufactories, with Carburetted Hydrogen, or Coal-Gas, with Remarks on the Utility, Safety, and Genera
Friedrich Christian AccumGeometric Gems: An Appreciation for Geometric Curiosities - Volume III: The Wonders of Circles
Alfred S. Posamentier
