Extra.
- Publisher: [publisher not identified]
- Print ISSN: 0531-6219
- Electronic ISSN: 0531-6219
- OCLC Number: 2684455
- Subject: Periodicals.
- Subject code: A
- Publication history: Año 1, no. 1 (jul. 1965)-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.1-6 1965; no.7-17 1966; no.18-21,23-24,26-29 1967; no.30-41 1968; no.42-53 1969; no.54-65 1970; no.66-77 1971; no.78-88 1972; no.90-102 1973; no.103-14 1974; no.115-26 1975; no.127-38 1976; no.139-50 1977; no.151-62 1978; no.163-74 1979; no.175-86 1980; no.187-98 1981; no.199-210 1982; no.211-22 1983; no.223-34 1984; no.235-46 1985; no.247-58 1986; no.259-264 1987; no.265-270 1987; no.271-82 1988; no.283-290 1989 | permanent |