International Symposium on Mine mechanization and Automation ( 2nd : 1993 : Lulea, Sweden ), Almgren, G., Kumar, U., & Vagenas, N. (1993). Mine mechanization and automation: Proceedings of the second international symposium on mine mechanization and automation (Lulea, Seden, 7-10, June 1993). A.A. Balkema.
Cita Chicago (17th ed.)International Symposium on Mine mechanization and Automation ( 2nd : 1993 : Lulea, Sweden ), Gunnar Almgren, Uday Kumar, i Nick Vagenas. Mine Mechanization and Automation: Proceedings of the Second International Symposium on Mine Mechanization and Automation (Lulea, Seden, 7-10, June 1993). Netherlands: A.A. Balkema, 1993.
Cita MLA (9th ed.)International Symposium on Mine mechanization and Automation ( 2nd : 1993 : Lulea, Sweden ), et al. Mine Mechanization and Automation: Proceedings of the Second International Symposium on Mine Mechanization and Automation (Lulea, Seden, 7-10, June 1993). A.A. Balkema, 1993.