000 00269nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631,4:551.3.053
_bUNI
245 0 _aSoils and tropical weathering.
260 _aParis
_bUNESCO
_c1971
650 _aSoils
942 _cBK
999 _c23264
_d23264