=LDR 00000nam a2200000ui 4500 =001 3032 =008 250530s2002\\\\xx\|||||||||||||||||eng\d =082 04$a2002 FLO =100 1\$aFlood, Eleanor =245 10$aAn investigation of ammonium ions in precipitation and in the atmosphere in Dublin, Ireland =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2002 =852 \\$bFreeman Library$cTheses$h2002 FLO