References
Timm Lampert
with Grasshoff Gerd (1996). Paul Engelmanns Psychologie graphisch dargestellt. Grazer Philosophische Studien, 52, 93-126. https://doi.org/10.5840/gps1996/97525.
with Baumgartner Michael (2008). Adequate formalization. Synthese, 164 (1), 93-115. https://doi.org/10.1007/s11229-007-9218-1.