000
00286nam a2200097Ia 4500
008
140917b1974 xxu||||| |||| 00| 0 eng d
082
_a
628.354 GIB
100
_a
Gibbon, Donald. L.
245
_a
Aeration of activated sludge in sewage treatment.
260
_a
New York :
_b
Pergaman,
_c
1974
999
_c
182183
_d
182183