000 00291nam a2200121Ia 4500
001 64
008 190520s9999 xx 000 0 und d
020 _a97029025 7
100 1 _aRichmond Publishing
245 1 0 _aScience Teacher´S Guide 2°
260 _bRichmond Publishing
942 _cCA
999 _c11826
_d11826