000 00238nam a2200097Ia 4500
008 230331s9999 xx 000 0 und d
020 _a9781868917358
100 _aGERBER, K
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245 0 _aECONIMIC ENVIRONMENT LEVEL 2
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c747906
_d747905