*0011564024
*008090508s2009    xx#           000 0 eng
*019  $bk
*08230$a563
*100  $aBlackett, Edward$_165847200
*245  $aA refined graptolite biostratigraphy for the late Ordovician-early Silurian of central Wales
*300  $aS. [83]-96 : ill.
*650  $aBiostratigrafi$2norart$_108955500
*650  $agraptolitter$9nor$2norart$_129609500
*653  $aHirnantian$9eng$_150022400
*653  $aRhuddanian$9eng$_165847300
*653  $aevolution$9eng$_130663500
*653  $agraptolites$9eng$_129610200
*653  $astratigraphy$9eng$_128933000
*700  $aDavies, Jeremy$_165847400
*700  $aPage, Alex$_165847500
*700  $aRickards, Barrie$_162416000
*700  $aWilliams, Mark$_130666100
*700  $aZalasiewicz, Jan$_165847600
*773  $tLethaia$gVol. 42, no. 1 (2009)$x0024-1164$w(NO-LaBS)5212(tnr)
*8564 $uhttps://doi.org/10.1111/j.1502-3931.2008.00108.x
*999  $z900448552$anorart:900448552
^