000			00334nam a2200145Ia 4500
999			_c7419 _d7419
003			OSt
005			20230418121045.0
008			201007s9999 xx 000 0 und d
040			_cBBDU
100			_aARYA, S.C.
245		0	_aDEVELOPMENT OF SCIENTIFIC CONCEPTS AMONGH CHILDREN
260			_c1998
300			_a150 p.
942			_cBK _2ddc