000 00281nam a2200109Ia 4500
008 130705s9999 xx 000 0 und d
020 _a0132843730
050 0 _aPE1128 .A2E745 1987
245 0 0 _aEsl through content-areainstruction
300 _ap.
942 _2lcc
_kPE1128 .A2E745 1987
999 _c5647
_d5647