000 00255nam a2200109Ia 4500
008 170824s9999 xx 000 0 und d
020 _a0 431 07642 1
082 _a520 ISS
100 _aISAAC ASIMOV
245 _aWHAT CAUSES ACID RAIN?
260 _bHEINEMANN
942 _cBK
999 _c5292
_d5292