000 00603nam a2200253Ia 4500
003 OSt
005 20220912152314.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a52374
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aH523.562, H9
100 _aBoswell P G H
245 0 _aMiddle silurian rocks of North Wales
260 _c1949
300 _ap.
_ccm.
650 _a Silurian
650 _aGeology
942 _hH523.562, H9
_cTEXL
_2CC
999 _c84193
_d84193