TY - BOOK ID - 75952310 TI - Kürübungen zum Denken PY - 1982 SN - 3525407289 PB - Göttingen Vandenhoeck & Ruprecht DB - UniCat KW - 51-8 KW - 51-8 Mathematical games and recreations KW - Mathematical games and recreations KW - Didactics of mathematics UR - https://www.unicat.be/uniCat?func=search&query=sysid:75952310 AB - ER -