https://kohaopac.franzmayer.org.mx//cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Haeckel%2C%20Ernst%20Heinrich%20Philipp%20August%22&sort_by=relevance&format=rss 2 0 50 ISBN: https://kohaopac.franzmayer.org.mx//cgi-bin/koha/opac-detail.pl?biblionumber=6333 By Haeckel, Ernst Heinrich Philipp August.
Leipzig Alfred Kroener 1909 .
240 p. , L153 17 cm..

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]]> https://kohaopac.franzmayer.org.mx//cgi-bin/koha/opac-detail.pl?biblionumber=6333 ISBN: https://kohaopac.franzmayer.org.mx//cgi-bin/koha/opac-detail.pl?biblionumber=6363 By Haeckel, Ernst Heinrich Philipp August.
Stuttgart, Alemania Alfred Kroner 1904 .
xiv, 567 p. , Incluye índice alfabético | L202 23 cm..

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