000 00279nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Challoner, J."
245 0 _aEyewitness guide energy
260 _bDorling Kindersley
260 _c1993
365 _b90.00
942 _cBK
999 _c141001
_d141001