000
00283nam a2200121Ia 4500
008
180721s9999 xx 000 0 und d
100
_a
Sethi (Purnima)
245
0
_a
Environmental nanotechnology
260
_b
Alfa publication
260
_c
2011
365
_b
995.00
942
_c
BK
999
_c
158124
_d
158124