@inproceedings{ Castro_Rico-Romero,

author = { Elena Castro Rodríguez and Luis Rico-Romero } ,

title = { Meaning of the part-whole relation and the concept of fraction for primary teachers },

booktitle = { ICME 12 },

year = { 2012 },

pages = { None - None },

location = { Seúl, AICIT, Korea },

}