000
00304nam a2200121Ia 4500
008
190711s9999 xx 000 0 und d
082
_a
628.16 P988
100
_a
RYAN,W.J
245
0
_a
WATER TREATMENT AND PURIFICATION
260
_a
INDIA
_b
AGROBIOS
_c
2000
300
_a
270p.,23X15Cms.
942
_c
BK
_2
DDC
999
_c
27318
_d
27318