1.
Neutralizing the Dutch disease
2.
3.
1980 aerial photograph 36027-378-52x4
1980 aerial photograph 36027-378-52x1
1959 aerial photograph EFC-4V-85
1942 aerial photograph GS-AE 12 72
1967 aerial photograph EFC-12HH-22
1942 aerial photograph GS-AE 12 74
1942 aerial photograph GS-AE G 137
1980 aerial photograph 36027-378-52x2
1967 aerial photograph EFC-12HH-60