000 00321nam a2200133Ia 4500
001 25650
008 230330s9999 xx 000 0 und d
245 0 _aWorld Book's Young Scientist: Energy and Conservation (Volume 8)
260 _aU.S.A.
260 _bWorld Book, Inc.
260 _c1990
300 _a128
942 _cBK
999 _c9409
_d9409