(1998). Mineral processing and the environment: [proceedings of the NATO Advanced Study Institute on Mineral Processing and Environment: Improving the Quality of Our Life, Varna, Bulgaria, 18 - 30 August 1996]. Kluwer.
Chicago-Zitierstil (17. Ausg.)Mineral Processing and the Environment: [proceedings of the NATO Advanced Study Institute on Mineral Processing and Environment: Improving the Quality of Our Life, Varna, Bulgaria, 18 - 30 August 1996]. Dordrecht [u.a.]: Kluwer, 1998.
MLA-Zitierstil (9. Ausg.)Mineral Processing and the Environment: [proceedings of the NATO Advanced Study Institute on Mineral Processing and Environment: Improving the Quality of Our Life, Varna, Bulgaria, 18 - 30 August 1996]. Kluwer, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.