000 00260pam a2200109a 44500
082 _aTR
_bRI-9205
100 _aPaul W. Jeron
245 1 _aSubsidence due to undermining of sloping terrain
260 _a
_b
_c
700 _aVladimir Adamek
997 _aTR1147 C
999 _c404735
_d404735