共 16 条
[1]
[Anonymous], 1997, INT C ENV MIN BIOD T
[2]
[Anonymous], 1987, GEOGRAPHY TRAVEL TOU
[3]
BULL A, 1990, OCCASIONAL PAPERS TO, V2
[4]
DESGAS DV, WASSERBEDARFSZAHLEN
[5]
DROSCHER J, 1997, BUNDESWEITER UNWELTO
[7]
*FED MIN EC, 1993, ZWISCH TOUR UNW FORD
[8]
GRUBB M, 1999, KYOTO PROTOCOL
[9]
HAMELE H, 1998, WELT BRAUCHT MEHR OK, P6
[10]
HOULDER V, 2000, FINANCIAL TIMES 1124