000 00403nam a22001697a 4500
015 _a7384
080 _aN
_bDUN
100 _aDuncan, N.
245 _aEngineering Geology & Rock Mechanics
260 _aLEONARD HILL
_bLONDON
_c1969
300 _a252p.
_bfig, ill.
852 _a2R2-1
999 _c2210
_d2210