=LDR            22        4500
=001  5819
=082  04$a1991 HAY
=100  1\$aHayes, Marie
=245  10$aUse of different filament assessment methods for assessing filamentous bulking of activated sludge
=260  \\$aDublin :$bUniversity of Dublin, Trinity College,$c1991
=650  \0$aTheses
=852  \\$bFreeman Library$h1991 HAY