000 00272nam a2200121Ia 4500
001 2319
008 170420s9999 xx 000 0 und d
020 _a9780739891452
100 1 _aElizabeth maryott
245 1 0 _aFocus on Science Level B
260 _bHarcourt
942 _cAP
999 _c9445
_d9445