On the expected distance of a random walk. - Trevor S. Hale; Faizul Huq; Heather S. Lutz; Carles Moslares (Int. J. Math. Oper. Res., 2015)

Some more average distance results. - Trevor S. Hale; Heather S. Lutz; Faizul Huq (Int. J. Math. Oper. Res., 2017)

Technical note: the expected length of an orderly path. - Heather S. Lutz; Trevor S. Hale; Faizul Huq (Ann. Oper. Res., 2020)