000 00319nam a2200109Ia 4500
008 230907s9999||||xx |||||||||||||| ||und||
082 _a531.6
_bENE
245 0 _aEnergy /
260 _aBritannica Educational Pub. in association with Rosen Educational Services,
_bNew York, NY :
_c2012
300 _a79 p. :
942 _cBK
999 _c601243
_d601243