| 000 | 00421nam a22001697a 4500 | ||
|---|---|---|---|
| 005 | 20220127135824.0 | ||
| 008 | 990525d1998 mx ab r 00110 spa d | ||
| 010 | _a77943 | ||
| 011 | _a78915 | ||
| 035 | _a89022 | ||
| 090 | _aTesis | ||
| 260 |
_aChapingo, Méx. : _bEl autor, _c199 |
||
| 502 | _aTesis ( | ||
| 590 |
_aALEPH _b10 _c20130110 _lUCH01 _h1429 |
||
| 590 |
_aCONVERSION _b10 _c20130109 _lUCH01 _h1343 |
||
| 901 | _aBK | ||
| 999 |
_c77943 _d77943 |
||