000 00248nam a2200097Ia 4500
008 220322s9999 xx 000 0 und d
041 _aeng
082 _aA500 mus(4)
100 _aVINCENT T.MURCHEF.R.G.S.
_9172023
245 _aSCIENCE READERSBOOK VI
999 _c179899
_d179899