000 00297 a2200133 4500
082 _a551.9
_bIn8
100 1 _aCADEK, J.
_d
245 1 _aPROCEEDINGS...
260 _aPrague
_bThe Geological Survey
_c1976
300 _aix,463,,,,,
700 _aPACES, T.
964 _gCIRC
997 _aA51909 C
999 _c469561
_d469561