000 002900000a22001330004500
245 _aOutline of historical geology
100 _aWells, A.K.
250 _a3d ed.
260 _aLondon
_bThomas Murby
_c1951
300 _a358 p.
080 _a55(091)
_bW4
041 _aEN
942 _cBK
999 _c52291
_d52291