000 00428nam a2200169Ia 4500
008 230524s9999 xx 000 0 und d
050 _aQA181.A1148.I5
100 _aLayton, David
245 0 _aInnovations in science and technology education; Vol. V.
260 _aParis
260 _c1994
300 _av, 11-258p.
300 _c24cm.
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c13462
_d13462