Abendblatt, 17.11.2018: 'Parcels are delivered by e-trikes in Hamburg'
(only available in German)
Welt, 25.10.2018: 'Trump gets rid off Beijing's advantage in e-commerce'
eurotransport, 10.10.2018: 'Interview wit GLS CEO Seidenberg: GLS will raise prices in January'
bevh, 04.10.2018: 'From Berlin to Munich: Wrong trasnport infrastructre planning lead to an e-commerce delivery backlog'
Moreover, this issue was addressed citing data from MRU in the DVZ.