I was so happy to see the in-place merge algorithm! Does anyone know if there is an implementation of the (supposedly) faster version, which was published in t

I was so happy to see the in-place merge algorithm! Does anyone know if there is an implementation of the (supposedly) faster version, which was published in this later paper? http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.134.2842 http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.134....