IAEA Archives, Vienna
IAEA Archive and Vienna Austria, "Train Wreck", contributed by Arturo Vallejo, STS Infrastructures, Platform for Experimental Collaborative Ethnography, last modified 26 August 2019, accessed 2 January 2025. https://stsinfrastructures.org/content/train-wreck-0
Critical Commentary
A letter from Obermayer with an illustration that represents the train wreck and the damages sustained by the UM2.