000 00318nam a2200145Ia 4500
001 21709
008 240126s9999||||xx |||||||||||||| ||und||
082 _a503 YOU
245 0 _aYoung peoples science encyclopedia
260 _aChicago
260 _bChildrens Press
260 _c1993
300 _a22v.
942 _cBK
999 _c21709
_d21709