000
00261nam a2200109Ia 4500
008
220201s1982 xx 000 0 eng d
100
_a
Davidson, Homer L
245
0
_a
33 Photovoltaic projects
260
_b
BPB Publication
_c
1982
300
_a
263
942
_2
ddc
999
_c
84855
_d
84855