000 00301nam a2200121Ia 4500
008 170101s1977 xx 000 0 und d
082 _a621.47 BEC
100 _aBeckman W.A.
245 0 _aSolar Heating Design
260 _aNew York
_bJohn Wiley & Sons
_c1977
300 _a200P.
942 _2ddc
_cB
_01
999 _c720116
_d720116