000 00343nam a2200145Ia 4500
008 140317s9999 xx 000 0 und d
082 _a551.6
100 _aWMO.
245 _aClimate variation, drought and desertification.
260 _aWMO.
_b
_c1993
300 _a45
650 _aClimatology
653 _aClimatology
942 _2ddc
_cBK
999 _c13435
_d13435