Repository URL:
http://hdl.handle.net/10669/25879, https://revistas.ucr.ac.cr/index.php/rbt/article/view/14591
DOI:
10.15517/rbt.v53i1-2.14591
Author(s):
Zara, F. J., Fowler, Harold G.
Publisher(s):
Universidad de Costa Rica

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