Cita APA (7a ed.)
Current contents: Physical, chemical and earth sciences : 1998 annual. Institute for Scientific Information.
Cita estilo Chicago (17a ed.)
Current Contents: Physical, Chemical and Earth Sciences : 1998 Annual. Filadelfia, EUA: Institute for Scientific Information.
Cita MLA (9a ed.)
Current Contents: Physical, Chemical and Earth Sciences : 1998 Annual. Institute for Scientific Information.
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