000			00299nam a22001337a 4500
008			181101b xxu||||| |||| 00| 0 eng d
020			_a080125050
041			_aeng
080			_a910
100			_a42
101			_aGJEO
245			_aAn Introduction to Marine Geology _cKeen, M.J
942			_2udc _cBK
999			_c51540 _d51540