000
00286nam a2200121Ia 4500
008
180721s9999 xx 000 0 und d
100
_a
Mathur & Rathur
245
0
_a
Biogas production management and utilization
260
_b
Nil
260
_c
2005
365
_b
495.00
942
_c
BK
999
_c
147447
_d
147447