https://unillanos.metacatalogo.org/cgi-bin/koha/opac-search.pl?q=ccl=an%3A12825.&sort_by=relevance&format=rss 6 0 50 ISBN: https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=7568 By Demolon. A..
Barcelona : Omega, 1972 .
2 volumes.

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]]> https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=7568 ISBN:0891181067 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=24576 By Hanks, John,.
Madison, Wisconsin : Soil Science of America, America Society of Agronomy, 1991 .
xix, 545 páginas : 0891181067

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