000			00295nam a2200121Ia 4500
008			180530s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a372.7
100			_aKoeno Gravemeijer
245		0	_aDeveloping Realistic Mathematics Education`
300			_a222 hln; 27 cm
942			_cBKS
999			_c71373 _d71372