| Titel | Finger-symbol-sets and multi-touch for a better understanding of numbers and operations | 
| Medientyp | Konferenzbeitrag | 
| Erscheinungsjahr | 2011 | 
| Autoren | Ladel, S, Kortenkamp, U | 
| Editor | Pytlak, M, Rowland, T, Swoboda, E | 
| Conference Name | Proceedings of the Seventh Congress of the European Society for Research in Mathematics Education. | 
| Date Published | Februar | 
| Verlag | Congress of the European Society for Research in Mathematics Education (CERME) | 
| Conference Location | Rzeszów, Poland | 

