01121nam a2200277 i 450099100122775970753620020507185614.0971216s1995 it ||| | eng b10818431-39ule_instLE01309003ExLDip.to Matematicaeng516AMS 00A35AMS 51-06ZDM G09Mammana, Carmelo0Perspectives on the teaching of geometry for the 21st century :ICMI study :pre-proceedings for Catania conference 28 september-2 october 1995 /editor, Carmelo MammanaCatania :Dip. Mat. "Ennio De Giorgi" Univ. Lecce, Dip. Mat. Univ. Catania,1995277 p. :ill. ;24 cm.Geometry-didactics.b1081843121-09-0628-06-02991001227759707536LE013 G09 MAM11 (1995)12013000092171le013-E0.00-l- 00000.i1092521128-06-02Perspectives on the teaching of geometry for the 21st century925086UNISALENTOle01301-01-97ma -engit 01