1. Smith CR, et al. Areas of particular environmental interest for ecosystem based management of the Clarion Clipperton Zone: rational and recommendation to the International Seabed Authority, design marine protected areas for seamounts and abyssal nodule province in Pacific high seas, October 23–26, 2007, University of Hawaii.
2. CRU Consulting. Manganese market strategy. Technical report. 2019.
3. Haynes BW, Law SL, Maeda R. Updated process flowsheets for manganese nodule processing. Bur Mines Inf Circ. 1983;8924:100.
4. Kojima K. Review of studies on manganese nodule processing. In: Ocean mining symposium, International Society of Offshore and Polar Engineers, Seoul, Korea. November 24–26, 1997. p. 19–22.
5. Agarwall JC, et al. Processing of ocean nodules: a technical and economic review. JOM. 1976;28:24–31.