000
00251nam a2200109Ia 4500
008
220201s1984 xx 000 0 eng d
100
_a
Rai,GD
245
0
_a
Solar energy utilisation
260
_b
Khanna publisher
_c
1984
300
_a
319
942
_2
ddc
999
_c
83371
_d
83371