=LDR 22 4500 =001 1070 =082 04$a1984 STA =100 1\$aStack, Mary =245 10$aDandelion (Taraxacum officinale weber) as a biological indicator of ammonia pollution =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1984 =650 \0$aTheses =852 \\$bGeography Basement$h1984 STA