000 00318nam a2200121Ia 4500
008 151128s9999 xx 000 0 und d
020 _a0516101218
041 _aENG
245 _aYoung people's science dictionary : 21Aa My
260 _c1991
_aChicagoChildren's Press
700 _aBoyer, Donald A.
942 _2udc
_cBK
999 _c29301
_d29301