https://www.uaeh.edu.mx/scige/boletin/huejutla/n3/m4.html
https://www.google.com.uy/search?sxsrf=ALeKk03zFl39DEMLPBXJXRgfZ2DiZ-ZuHA%3A1584478335835&source=hp&ei=fzhxXvWHMbm15OUP7Z6ZwAQ&q=obst%C3%A1culos+epistemol%C3%B3gicos+gast%C3%B3n+bachelard&oq=Obstaculos+epistemogolicos+Gaston+B&gs_l=psy-ab.1.0.0i13.1093.18152..19877...16.0..2.609.9024.0j43j5j2j1j1......0....1..gws-wiz.....10..35i39j0i131j0j0i67j0i10j33i160j0i13i30j35i362i39j0i131i67j0i8i13i30j0i22i30._EqEl2ccQBo
