000 00350nam a22001457a 4500
003 OSt
008 090909t xxu||||| |||| 00| 0 eng d
082 _a627.82
245 _aClay barriers for embankment dams
300 _a197p.
653 _a627.82
_aclay barriers
942 _2ddc
_cBK
260 _aLondon
_bThomas Telford
_c1990
020 _a727715658
999 _c336806
_d336806