000 002660000a22001210004500
245 _aSequence in layered rocks
100 _aShrock, R.R.
260 _aNew York
_bMcGraw Hill
_c1948
300 _a507 p., ill.
080 _a552.1
_bS5
041 _aEN
942 _cBK
999 _c93693
_d93693