61
62
“...UCL - Environmental research...”
63
“...UCL - Environmental research...”
64
65
66
“...UCL - Environmental research...”
67
“...UCL - Environmental research...”
68
69
“...UCL - Environmental research...”
70
71
72
73
74
75
76
Die Lage der Nation. 85/86 : Umweltatlas der Bundesrepublik : Daten, Analysen, Konsequenzen, Trends.
Koch, Egmont R.
1985
“...UCL - Environmental research...”1985
77
78
79
“...UCL - Environmental research...”
80
“...UCL - Environmental research...”