Ziethen, G. (2008). Orbis Terrarum -an inventory of the world in East and West. EKB Journal Management System, 8(8), 1-25. doi: 10.21608/acl.2008.103315

Gabriele Ziethen. "Orbis Terrarum -an inventory of the world in East and West". EKB Journal Management System, 8, 8, 2008, 1-25. doi: 10.21608/acl.2008.103315

Ziethen, G. (2008). 'Orbis Terrarum -an inventory of the world in East and West', EKB Journal Management System, 8(8), pp. 1-25. doi: 10.21608/acl.2008.103315

Ziethen, G. Orbis Terrarum -an inventory of the world in East and West. EKB Journal Management System, 2008; 8(8): 1-25. doi: 10.21608/acl.2008.103315