000 00314nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aCarin, Arthur
245 0 _aTeaching science through discovery
260 _bCharles E. Merrill & Co.
_aColumbus
_c1964
942 _c1
999 _c89934
_d89934