APA
Heister H., Krack K. & Schodlbauer A. (1991). GPS 3D point positioning: the height problem, different approaches and numerical results. : .
Chicago
Heister H, Krack K and Schodlbauer A. 1991. GPS 3D point positioning: the height problem, different approaches and numerical results. : .
Harvard
Heister H., Krack K. and Schodlbauer A. (1991). GPS 3D point positioning: the height problem, different approaches and numerical results. : .
MLA
Heister H, Krack K and Schodlbauer A. GPS 3D point positioning: the height problem, different approaches and numerical results. : . 1991.
