000
00287nam a2200121Ia 4500
008
180721s9999 xx 000 0 und d
100
_a
"Nijaguna, B.T."
245
0
_a
Biogas technology
260
_b
New Age International Pvt. Ltd
260
_c
2012
365
_b
299.00
942
_c
BK
999
_c
147001
_d
147001