=LDR            22        4500
=001  919
=082  04$a1987 BYR
=100  1\$aByron, Marian
=245  10$aComparison of the microbiology of activated sludge with operating parameters in domestic and industrial treatment units
=260  \\$aDublin :$bUniversity of Dublin, Trinity College,$c1987
=650  \0$aTheses
=852  \\$bGeography Basement$h1987 BYR