By Forgasz H. J.   Leder G. C.   in International Journal of Mathematical Education in Science and Technology

ISSN:1464-5211|31|1|37-42

Taylor & Francis Ltd‎(2000)‎

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By Leder G.   Formentini A.   Hoffmann M.   Henne-Bruns D.   in Der Chirurg

ISSN:0009-4722|79|3|252-257

Springer Publishing Company ‎(2008)‎

Access to resources Favorite 6.786729