000 00306nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.47 M623
100 _aMICHELS,T
245 0 _aSOLAR ENERGY TO UTILIZTION
260 _aNEW YORK
_bVan Nostrand Reinhold
_c1976
300 _a22X28
942 _cBK
_2DDC
999 _c18301
_d18301