=LDR            22        4500
=001  4561
=082  04$a1977 MUR
=100  1\$aMurphy, Joan
=245  10$aQuantitative methods of map accuracy assessment with reference to some early maps of Ulster
=260  \\$aDublin :$bUniversity of Dublin, Trinity College,$c1977
=650  \0$aDissertations
=852  \\$bStaff Coffee Room$h1977 MUR