=LDR 22 4500 =001 3047 =082 04$a2003 WAT =100 1\$aWat, Patricia =245 10$aAn investigation of the long term trend in global solar radiation measurements on "clear sky" days in Ireland =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2003 =650 \0$aTheses =852 \\$bFreeman Library$h2003 WAT