000 00308 a2200121 4500
999 _c12249
_d12249
008 231110b ||||| |||| 00| 0 eng d
020 _a0727701177
082 _a690
100 _aW. L. Elsby
245 _aThe Engineer and Construction Control
260 _bInst of Civil Engineers Pub
_c1981
942 _2ddc