The code for the paper:

Tabak J, Tomaiuolo M, Gonzalez-Iglesias AE, Milescu LS, Bertram R (2011) Fast-activating voltage- and calcium-dependent potassium (BK) conductance promotes bursting in pituitary cells: a dynamic clamp study. J Neurosci 31:16855-63
http://dx.doi.org/10.1523/JNEUROSCI.3235-11.2011

Is available both at the authors web site (XPP version)

and is available as a reference implementation (with docker that needs NEURON installed) by Simen Tennoe, Kjetil Hodne, Trude M. Haug, Finn-ArneWeltzien, Gaute T. Einevoll, and Geir Halnes and is available at their github repository:

https://github.com/ReScience-Archives/Tenn-e-Hodne-Haug-Weltzien-Einevoll-Halnes-2019/tree/tenn%C3%B8e-hodne-haug-weltzien-einevoll-halnes/code

The citation for the reference implementation is:

Tennoe S, Hodne K, Haug T, Weltzien F, Einevoll G, Halnes G (2019) ReScience [Re] Fast-Activating Voltage-and Calcium-Dependent Potassium (BK) Conductance Promotes Bursting in Pituitary Cells: A Dynamic Clamp Study. ReScience http://dx.doi.org/10.5281/zenodo.2611252