Clase and Periódica (ClasePeriodica)
Index of Latin American journals in the sciences and humanities
Why select this database?
- CLASE indexes documents published in Latin American journals specializing in the social sciences and humanities.
- PERIóDICA covers journals specializing in science and technology.
- Offer access to more than 400,000 bibliographic citations from documents published in 2,600 scholarly journals published in the Spanish, Portuguese, French and English languages.
- Contain information from articles, essays, book reviews, monographs, conference proceedings, technical reports, interviews and brief notes published in journals edited in 24 different countries of Latin America and the Caribbean, as well as from publications that focus on Pan-American issues.
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| Sources | More than 2,700 journals | |||||||||||||||||||||||||||
| Number of records | Over 455,000 | |||||||||||||||||||||||||||
| Dates covered | Clase: 1975 to present Periódica: 1978 to present | |||||||||||||||||||||||||||
| Updated | Quarterly | |||||||||||||||||||||||||||
| Producer information | Universidad Nacional Autonoma de Mexico (UNAM) Note: Links are available in the records to the Document Delivery Service Center. Please contact the Service Center directly with any requests for information or questions. | |||||||||||||||||||||||||||
| Copyright | Copyright © UNAM. All Rights Reserved. | |||||||||||||||||||||||||||
Index labels and examples of an expert search in ClasePeriodica
Use a colon after an index label (for example, au:) when you are not certain of your search terms. Use an equal sign after an index label (au=) for an exact match search. You can search with an index label from any search screen. The information you type overrides any default menu selections. The following examples show sample rather than actual searches.
| Search indexes | Labels | Examples |
|---|---|---|
| Keyword | kw: | absoluta and efecto [keyword searches the Source Phrase, Subject, and Title indexes] |
| Abstract | ab: | escala |
| Accession number | no: | CLA0001234 |
| Article type phrase | at= | articulo [use to limit other search terms;browse index for available article types] |
| Author | au: | rodriguez |
| Author phrase | au= | rodriguez alvaro [last name first] |
| Database name phrase | ds= | clase periodica |
| Descriptor | de: | salud |
| Descriptor phrase | de= | salud publica |
| First page | pg: | 2 |
| Identifier | id: | logica |
| Issue | is: | 7 |
| Language phrase | ln= | ingles |
| Publication date | pd: | 2002 [browse index for date formats] |
| Source | so: | gaceta |
| Source phrase | so= | gaceta de economia |
| Standard number | sn: | 0325-1926 |
| Subject | su: | flexibilidad |
| Subject phrase | su= | flexibilidad laboral |
| Title | ti: | formacao |
| Title phrase | ti= | formacao dos compostos no portugues |
| Volume | vo: | 49 |
| Year | yr: | 1999 |
| Year 2 | yy: | 2001 |