000 | 00305nam a2200109Ia 4500 | ||
---|---|---|---|
008 | 220510s1964 xx 000 0 und d | ||
041 | _aeng | ||
082 |
_a507 _bRIC |
||
100 |
_aRichardson,John S, _9778083 |
||
245 | _aScience Teaching in secondary schools | ||
260 |
_aNew Jersey: _bEnglewood Cliffs, _c1964 |
||
999 |
_c528293 _d528293 |