=LDR            22        4500
=001  3389
=082  04$a1983 MCD
=100  1\$aMcDonnell, G.
=245  10$aLichens and the tar spot fungus Rhytisma acerinum as indicators of sulphur dioxide pollution in Dublin
=260  \\$aDublin :$bUniversity of Dublin, Trinity College,$c1983
=650  \0$aDissertations
=852  \\$bStaff Coffee Room$h1983 MCD