000 00308nam a22001337a 4500
008 170405b xxu||||| |||| 00| 0 eng d
020 _a0070601976
041 _aeng
080 _a574
100 _a9
101 _aSHM
245 _aINTRODUCTION TO THE STRUCTURE OF THE EARTH
_cSPENCER, E.W
942 _2udc
_cBK
999 _c9771
_d9771