000 00277nam a22001217a 4500
008 170710b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a030
100 _a23
101 _aENC
245 _aYOUNG PEOPLE'S SCIENCE ENCYCLOPEDIA
_cCHALLAND,H.J
942 _2udc
_cBK
999 _c20174
_d20174