http://www.aecr.org/web/congresosAACR/2000/temas/doc6/6.BATISTA.htmhttp://age.ieg.csic.es/boletin/53/19-Natera%20373-375.pdfhttp://www.ub.edu/geocrit/sn/sn-197.htmhttps://www.google.com/search?q=Ana+Ester+Batista+tucuman&oq=Ana+Ester+Batista+tucuman&aqs=chrome.0.57.9401&sourceid=chrome&ie=UTF-8#q=Ana+Ester+Batista+tucuman&hl=es&tbo=d&psj=1&ei=tGEDUZmhDY3g8wShzYCACQ&start=20&sa=N&bav=on.2,or.r_gc.r_pw.r_cp.r_qf.&bvm=bv.41524429,d.eWU&fp=8a545f19795ecd51&biw=1024&bih=634http://buscar.lanacion.com.ar/'Luis%20Roque%20Otero%20Monsegur'https://www.google.com/search?q=luis+Roque+Otero+Monsegur&oq=luis+Roque+Otero+Monsegur&aqs=chrome.0.57.9852&sourceid=chrome&ie=UTF-8http://www.scielo.org.ar/scielo.php?pid=S1851-30182007000200002&script=sci_arttexthttp://www.boletinage.com/53/04-Natera%2067-88.pdfhttps://www.google.com/search?q=tucuman+limones&oq=tucuman+limones&aqs=chrome.0.57j60j64j0j60.2533&sourceid=chrome&ie=UTF-8#q=agroindustria+limon+tucuman&hl=es&tbo=d&psj=1&ei=-V4DUdOqMYO69gSwloHgDw&start=10&sa=N&bav=on.2,or.r_gc.r_pw.r_cp.r_qf.&bvm=bv.41524429,d.eWU&fp=8a545f19795ecd51&biw=1024&bih=677