Teoría y realidad. Bunge, M. Ariel, Barcelona.
bibtex   
@book{bunge_teoriy_1972,
	Address = {Barcelona},
	Author = {Bunge, Mario},
	Date = {1972},
	Date-Modified = {2016-09-22 20:24:11 +0000},
	Keywords = {philosophy of science, research methods},
	Publisher = {Ariel},
	Series = {Ariel {Quincenal}},
	Title = {Teoría y realidad},
	Translator = {García Molina, J L and Sempere, J}}
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