Harald Ulrik Sverdrup & Antoniy Elias Sverdrup 2024. An Evaluation of the Long-term Worldwide Availability and Market Value of Zirconium and Hafnium in Relationship to Future Demands Utilizing the WORLD7 Model. Science and Technology - Recent Updates and Future Prospects Vol. 1. (Apr. 2024), 14–58. DOI:https://doi.org/10.9734/bpi/strufp/v1/3746G.