| Författare: | Andersson, Björn |
| Titel: | Science teaching and the development of thinking: development of concrete operational thinking and of language resulting from the SCIS/LMN spatial concepts unit "Relativity of position and motion" |
| Ort/förlag/år: | Göteborg: Acta Universitatis Gothoburgensis, 1976 |
| Serie: | Göteborg studies in educational sciences; 20 |