1. Abramowski T., Marante M. C., (2018) Identification and determination of factors encountered in marine minerals processing, influencing world metal markets Processing Technologies, Workshop on Metal Recoveries & Economic Feasibility of Deep Sea Mining, 3–6 Sept 2018, Warsaw, Poland, International Seabed Authority.
2. Abramowski, T., Stoyanova, V., (2012). “Deep-sea Polymetallic nodules: renewed interest as resources for environmentally sustainable development” Proceedings International Multidisciplinary Scientific GeoConference SGEM, vol. 1, ISSN 1314-2704, pp. 515–521.
3. Aishvarya, V., Mishra, G., Ghosh, M., K., Subbaiah, T., (2013), Reductive Acid Leaching of Polymetallic Manganese Nodule with Polyol: Preliminary Study, In XIII International Seminar on Mineral Processing Technology VOLUME-I; 2013; pp. 825–829.
4. Azapagic, A., and Cliff, R., (1999) Allocation of Environmental Burdens in Co-product Product-related Burdens (Part 1), Int. J. LCA 4 (6) pp. 357–369
5. Bardi, U., (2013), The mineral question: How energy and technology will determine the future of mining, Frontiers in Energy Research, Vol.1, Article 9, pp. 1–11