000
00283nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Gupta (NL) and Gurjar (RK) Ed.
245
0
_a
Sustainable Development V.2
260
_b
Rawat
260
_c
1993
365
_b
450
942
_c
BK
999
_c
218050
_d
218050