¿Are STSE Contents Contained in Chemistry Textbooks? SciELO - Scientific Electronic Library Online vol.6 issue11 Succession of Earthquakes in the Ebro Delta. A Sequence to Research Pupils' Ideas and the Practice of Using Evidence author index subject index articles search Home Page alphabetic serial listing Services on Demand Journal SciELO Analytics Article Spanish (pdf) Article in xml format Article references How to cite this article SciELO Analytics Automatic translation Send this article by e-mail Indicators Have no cited articles Cited by