S Yue, P Wang, B Yu, T Zhang, Z Zhao, Y Li, S Zhan, From Plastic Waste to Treasure: Selective Upcycling through Catalytic Technologies, AEM 13, 2302008 (2023) – doi
A Tkaczyk, A Bartl, A Amato, V Lapkovskis, M Petranikova, Sustainability evaluation of essential critical raw materials: cobalt, niobium, tungsten and rare earth elements, JPD 51, 203001 (2018)