000 00271nam a2200133Ia 4500
008 140520s9999||||xx |||||||||||||| ||und||
100 _aDaniel, K. V.
245 _aWhat Is Energy?
260 _c1987
300 _a25p.
350 _a0
365 _b0
365 _dRuppes
999 _c64347
_d64347