https://ukrhotnews.com/2018/11/26/note-to-the-signatories-of-the-budapest-memorandum-how-the-foreign-ministry-responded-to-the-act-of-aggression-of-the-russian-federation/
Note to the signatories of the Budapest Memorandum: how the foreign Ministry responded to the act...
to thebudapest memorandum
https://ficegroup.org/the-origins-of-the-budapest-memorandum-and-the-future-of-order-in-europe-a-conversation-with-george-f-kennan-fellow-george-e-bogden/
The Origins of the Budapest Memorandum and the Future of Order in Europe | A Conversation with...