Enlaces:
[1] http://www.questia.com/PM.qst?a=o&d=105709578#
[2] http://ponce.inter.edu/acad/cursos/ciencia/pages/guanica.htm
[3] http://www.srs.fs.usda.gov/pubs/ja/ja_brandeis003.pdf
[4] http://www.fws.gov/caribbean-ecoteam/Espanol/el_karso_ESP.pdf
[5] http://www.pnas.org/cgi/reprint/99/4/2038.pdf
[6] http://www.pr.nrcs.usda.gov/technical/plants/bosques.html
[7] http://www.plosone.org/article/info:doi%2F10.1371%2Fjournal.pone.0000402
[8] http://en.wikipedia.org/wiki/Puerto_Rican_dry_forests
[9] http://www.worldwildlife.org/wildworld/profiles/terrestrial/nt/nt0226_full.html
[10] http://www.amjbot.org/cgi/content/full/88/9/1607
[11] http://www.chacocente.info/files/doc/1176502799_DinamicadeIncendiosenChacocente.pdf
[12] http://academic.uprm.edu/publications/cjs/Vol39c/39_273-285.pdf
[13] http://sisbib.unmsm.edu.pe/bvrevistas/biologia/v12_n2/Pdf/v12n2a15.pdf
[14] http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842006000300014
[15] http://cgsc.biology.yale.edu/precolog.html
[16] http://www.coalicionventanasverraco.org/