000 00288nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Twidell, John"
245 0 _aGuide to Small wind energy Conversion system
260 _bNil
260 _c2011
365 _b1137.21
942 _cREF
999 _c147572
_d147572