TY - BOOK AU - Jean-Maris Laborde,ed ED - NATO Advanced Research Workshop on Intelligent Learning Environments(1989 : Grenoble,France) ED - NATO Advanced research Workshop on Intelligent Learning Environments TI - Intelligent learning environment: the case of geometry SN - 3-540-56807-7 U1 - 516.0285 PY - 1996/// CY - Berlin PB - Springer- Verlag KW - Geometry ER -