=LDR            22        4500
=001  956
=082  04$a1999 NIS
=100  1\$aNiShuilleabhain, Sharon
=245  10$aThe condition of Dreissena polymorpha in the Shannon watrway
=260  \\$aDublin :$bUniversity of Dublin, Trinity College,$c1999
=650  \0$aDissertations
=852  \\$bGeography Basement$h1999 NIS