German makers of Leopard 2 tank in legal wrangle over rights, tank
Swiss government backs decommissioning of Leopard 2 tanks for potential sale to Germany
A look at Leopard 2 tanks that could soon be sent to Ukraine
Switzerland allowed Germany to freely dispose Leopard 2 tanks previously returned back to the manufacturer - Militarnyi
Why did Germany replace their Leopard II tanks with the newer Leopards? - Quora
German makers of Leopard 2 tank in legal wrangle over rights, tank
Germany asks Switzerland to sell mothballed Leopard 2 tanks
A look at Leopard 2 tanks that could soon be sent to Ukraine
Swiss government supports selling tanks back to Germany - SWI
Germany Asks Switzerland To Sell Mothballed Leopard 2 Tanks
Germany Asks Switzerland to Sell Back Some Leopard 2 Tanks - Bloomberg