http://dx.doi.org/10.4067/S0365-28072007000400005 | | | | DOI Link |
http://www.scielo.cl/scielo.php?script=sci_arttext[...] | 07/18/2011 | | Item is within a limited-access website | |
http://www.scielo.cl/pdf/agrtec/v67n4/at05.pdf | 07/18/2011 | PDF Reader | Item is within a limited-access website | |