History of Science 18: 155-180 (1980).
Reprinted (1980) in Darwin to Einstein: Historical Studies on Science and Belief (London: Longman / Open University); (1994) in German translation in K.von Meyenn, ed., Quantenmechanik und Weimarer Republik (Brauschweig: Vieweg); (2008) in Quantum Mechanics: A Historical Approach (Crete University Press). 50+ cites