| 000 | 00498nam a2200169Ia 4500 | ||
|---|---|---|---|
| 082 |
_a516 _bAb141.TG |
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| 100 | _aAbolson, Harold and Disessa, Andrea A. | ||
| 245 |
_aTurtle geometry; the computer as a medium for exploring mathematics _b |
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| 260 |
_aCambridge _bMIT Press _c1981 |
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| 300 | _axx, 477p. Index | ||
| 490 | _aThe MIT Press series in artificial intelligence | ||
| 500 | _a | ||
| 690 | _a | ||
| 700 | _aDisessa, Andrea A. ; jt. auth. | ||
| 964 |
_a _b _c _d _e _f _g |
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| 921 | _a11749 | ||
| 999 |
_c11749 _d11749 |
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