000 00239nam a2200097Ia 4500
020 _a0 7496 4404 4"
100 _aWALKER J
_93252
245 0 _aENVIRONMENTAL ISSUES VOLCANOES
942 _cBK
008 210805s9999 xx 000 0 und d
999 _c55568
_d55567