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2. Graph Theory;Biggs,1976
3. Chapter 2 - The Nexus Era: Toward an integrated, interconnected, decentralized, and prosumer future;Khalilpour,2019
4. Multilayer networks;Kivelä;J. Complex Netw.,2014
5. Tie-line control of interconnected networks;Purcell;Electr. Eng.,1931