000 00300nam a2200121Ia 4500
008 240531s9999 xx 000 0 und d
082 _a507 JAM
100 _aJames, A
245 0 _aLike and unlike stages 1 , 2
_ 3
260 _aLondon
_b Macdonard Educ
_c1973
650 _aSCIENCE
942 _cBKS
999 _c304108
_d304108