Random triples
Subject | Object |
---|---|
gptkb:1948_Donora_smog | fluorine |
gptkb:1948_Donora_smog | aerosol |
gptkb:1948_Donora_smog | sulfur dioxide |
Subject | Object |
---|---|
gptkb:1948_Donora_smog | fluorine |
gptkb:1948_Donora_smog | aerosol |
gptkb:1948_Donora_smog | sulfur dioxide |