000 00265nam a2200121Ia 4500
100 _aYoung, B. L.
020 _a0-582-08038-X
942 _cBK
245 _aTeaching Primary Science
260 _aLongman Group, UK
_c1979
082 _a372.85 You
300 _avi, 217
999 _c33363
_d33363