000 | 00308nam a22001217a 4500 | ||
---|---|---|---|
999 |
_c5858 _d5858 |
||
020 | _a0863571042 | ||
082 |
_a507.028 _bT66 |
||
245 | _aTopics in safety | ||
260 |
_aHatfield _bThe Association for Science Educations _c1988 |
||
300 |
_avi, 98 p. _billus. ; 29 cm. |
||
650 | _aScience - Safety | ||
942 | _cBK |