| 000 | 00446nam a2200169 4500 | ||
|---|---|---|---|
| 001 | 144707 | ||
| 003 | ES-MaACL | ||
| 005 | 20230906201059.0 | ||
| 007 | t| | ||
| 008 | 070214s1968 sp r ||||1| spa d | ||
| 100 | 1 |
_aSkinner, B. F. _9106745 |
|
| 245 | 1 | 0 |
_aWalden Dos / _cB. F. Skinner. |
| 250 | _a[1ยช ed.]. | ||
| 260 |
_aBarcelona : _bFontanella, _c1968 ( _fBiblograf) |
||
| 300 |
_a377 p. ; _c19 cm. |
||
| 852 |
_aES-MaACL _jG-4080 _bR.65417 |
||
| 999 |
_c144707 _d144707 |
||