000 00367nam a2200133Ia 4500
999 _c22946
_d22946
003 OSt
020 _a0516101072
082 _aR 503 CHA
100 _aChalland, Halen J
245 _aYoung people's science encyclopedia volume7/Em Fi
260 _bChildrens Press
_c1987
300 _a90p; hardbound
942 _2ddc
_cBK