G.  Sonet, Jordaens, K., Nagy, Z. T., Breman, F., De Meyer, M., Backeljau, T., and Virgilio, M., ?Adhoc: an R package to calculate ad hoc distance thresholds for DNA barcoding identification?, ZooKeys, vol. 365, no. Special issue: DNA barcoding: a practical tool for fundamental and applied biodiversity research, pp. 329 - 336, 2013.