000			00297nam a22001337a 4500
008			170911b xxu||||| |||| 00| 0 eng d
020			_a9780131927384
041			_aeng
080			_a91
100			_a42
101			_aGJEO
245			_aTHE ESSENTIALS OF GEOLOGY _cLUTGENS, F.K
942			_2udc _cBK
999			_c26970 _d26970