| 000 | 00401pam a2200157a 44500 | ||
|---|---|---|---|
| 008 | 230515b1986 xxu||||| |||| 00| 0 eng d | ||
| 020 | _aNULL | ||
| 041 | _aENGLISH | ||
| 082 | _a516.0078 /DIS/ABE | ||
| 100 | _aDISESSA A./ABELSON H. | ||
| 245 | _aTURTLE GEOMETRY THE COMPUTER AS A MEDIUM FOR EXPLORING MATHS | ||
| 250 | _aND | ||
| 260 |
_aNULL _bMIT P _c1986 |
||
| 300 | _a477 PB | ||
| 650 | _aNULL | ||
| 999 |
_c623581 _d623581 |
||