By looking at the references, the author may not be aware of the use of Gauss' principle in molecular dynamics, see e.g. Ch. 3.1 in Evans, Morriss: Statistical

By looking at the references, the author may not be aware of the use of Gauss' principle in molecular dynamics, see e.g. Ch. 3.1 in Evans, Morriss: Statistical mechanics of nonequilibrium liquids. (http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.296.2041&rep=rep1&type=pdf http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.296...)