000 00379nam a2200133Ia 4500
008 240531s9999 xx 000 0 und d
020 _aSCIENCE 5 13
082 _a507 13 SCI
100 _aHorn, Mary
245 0 _aChildren and plastics stages 1,2 and stages 1, 2 and background: a unit for teachers
260 _aLondon
_b Macdonald
_c1974
650 _aSCIENCE
942 _cANF
999 _c313035
_d313035