000 00451nam a2200169 a 4500
003 MGSC BD CLIB
005 20210823074813.0
008 210823s2012 bg a|||| |||| 00| 0 eng d
040 _cMG
082 _223
_a550.36
_bene 2012 c1
110 _aHarcourt, Inc.
_91125
245 _a Energy/
_cHarcourt, Inc.
260 _aUSA :
_bHarcourt school publishers ;
_c2012
300 _aill :24p. ;
_c23cm.
650 _xGeneral Science
_9741
942 _2ddc
_cBK
999 _c1212
_d1212