000 00317nam a2200145Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
020 _a867060026
041 _aen
082 _a539.7
100 _a867060026
245 0 _aDiscovering Energy
260 _aLondon
_bJohn Canova
_c1981
300 _a96p
942 _cPR
999 _c40168
_d40168