000 00312nam a2200121Ia 4500
008 130705s9999 xx 000 0 und d
020 _a0199143110
050 0 _aQD 43 .C 76 1989
100 1 _aCrowther, Barrie
245 1 0 _aChemistry activities /
_cBarrie Crowther
300 _ap.
942 _2lcc
_kQD 43 .C 76 1989
999 _c6766
_d6766