000 00311nam a2200109Ia 4500
008 220201s1972 xx 000 0 eng d
100 _aINSTI CIVIL ENGINEERING
245 0 _aMECHANIZATION FOR ROAD AND BRIDGE CONSTRUCTION
260 _aLONDON
_bINSTITUTE OF CIVIL ENGINEERING
_c1972
300 _a54
942 _2ddc
999 _c89485
_d89485