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| LEADER |
00733nam a22001931a 4500 |
| 001 |
000071065 |
| 005 |
20110620140646.0 |
| 008 |
080728s1990 000 0 eng d |
| 020 |
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|a 0397530196
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| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a R 363.17
|b F745i
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| 100 |
1 |
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|a The Forum for Excellence , Inc.
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| 245 |
1 |
0 |
|a Index of hazardous contents of commercial products in schools and colleges /
|c The Forum for Excellence , Inc.
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| 260 |
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|a Philadelphia :
|b J.B.Lippincott Company ,
|c 1990.
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| 300 |
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|a 633 p.
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| 490 |
0 |
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|a Chemical and environmental safety and health in schools and colleges series
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| 650 |
0 |
4 |
|a SUSTANCIAS NOCIVAS
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| 650 |
0 |
4 |
|a SUSTANCIAS TOXICAS
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| 650 |
0 |
4 |
|a PREVENCION DE ACCIDENTES
|