Michael Erkelenz and one other member of workshop group three at the International Management Conference with the Bilfinger Berger Group, November 8, 2002, A3054-00363. Missouri Historical Society Library and Research Center.

Michael Erkelenz and one other member of workshop group three at the International Management Conference with the Bilfinger Berger Group, November 8, 2002, A3054-00363. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/16864 Accessed November 13, 2024.