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---|---|---|---|
005 | 20210219152726.0 | ||
008 | 991125n dis 000 0 spa u | ||
035 | _aUPN01000059610 | ||
245 | _aBOLETIN MENSUAL DE LA DIRECCION GENERAL DE ENSEÑANZA AGRICOLA | ||
260 | _aDistrito Federal, México | ||
362 | _a1948 (1,2,3,4,5,6) | ||
362 | _a1949 2 (5,6,7,8,10,11) | ||
362 | _a1950 3 (1,2,3,4,5,8,9,10) | ||
362 | _a1951 4 (4,6,8,10,11) | ||
362 | _a1952 5 (1,2,3) | ||
904 |
_aAC _b000342 |
||
905 | _aRevista | ||
999 |
_c59543 _d59543 |