000 00346nam a2200145Ia 4500
020 _a0195775740
082 _bT-1526
_a500
100 _a"Horsburg, Nicholas"
245 0 _aPrimary Science
260 _bOxford Universty Press
_aNew York
_c1994
300 _a60
944 _cTB
999 _c151944
_d151944