=LDR 00000nam a2200000ui 4500 =001 1011 =008 250530s1993\\\\xx\|||||||||||||||||eng\d =082 04$a1993 DOU =100 1\$aDouglas, Sarah W. =245 10$aCorrelation of carboniferous maturation data =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1993 =852 \\$bFreeman Library$cDissertations$h1993 DOU