000
00271nam a2200109Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Pachavri (RK) etc Eds.
245
0
_a
"Energy Environment Developmet , Vol.2"
260
_b
Har-Anand
260
_c
1991
942
_c
BK
999
_c
216820
_d
216820