1915 2003e-957 2016h-523 20thcentury 2ndbattleof adverseeffects airqualitymanagement asphyxiatingandpoisonousgases belgium biological biologicalwarfare chemicalagents(munitions) chemicals chemicalwarfare chemicalwarfareagents chemicalweapons closed communicationoftechnicalinformation control ecologicalsystems engineering ethics gases gasflow gaspoisoning general germany hazardoussubstances his027010med039000sci034000his027100pol035010his036060 histoire history humanexperimentation humanexperimentationinmedicine humanrights ieper informationtechnique jews juifs mathematicalmodels maximumallowableconcentration medical military militarymedicine mustardgas nationalsozialistischedeutschearbeiter-partei occupationalexposure persecutions persécutions physiologicaleffect plumes(fluiddynamics) politicalfreedom politicalscience pollution prevention qv666 rédactiontechnique safetymeasures schutzstaffel science security sources standards submarinemedicine submarines(ships) technicalwriting technology testing toxicity toxicology unitedstates waruse wd650r4542002 worldwarii wz64 ypres