, 2017, 'The silent hexagon: explaining comb structures', Synthese 194 (5), 1703-1724.
, 2014a, Comment on "the undeniable effectiveness of mathematics in the special sciences", in D. Dieks, S. Hartmann, T. Uebel, M. Weber & M. C. Galavotti (eds.), New directions in the philosophy of science, Dordrecht, Springer, pp. 75-84.