| 000 | 00410nam a2200121 4500 | ||
|---|---|---|---|
| 008 | 0 1970 0x 000 0MEX | ||
| 082 | _a371.3 A547s | ||
| 100 | _aAckerman, Nathan W. | ||
| 245 | _aSummerhill: pro y contra. / Nathan W. Ackerman ., Fred M. Hechinger, Louise Bates Ames. | ||
| 260 | _aMex : Cultura Económica | ||
| 300 | _a218p. / 21 cm. | ||
| 700 | _aHechinger, Fred M. \ Bates Ames, Louise | ||
| 999 |
_c20705 _d20705 |
||