More science projects you can do
Instructions for a variety of experiments and exhibits with easily available materials in the areas of natural history, mechanics and technology, and physics.
| Egile nagusia: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Englewood Cliffs, N.J.
Prentice-Hall
[c1970]
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| Gaiak: |